A student says a possible hypothesis for the experiment about study time is, “If students study for different lengths of time, then they will get different test scores”. What is wrong with this hypothesis?

Answers

Answer 1

Answer:

The hypothesis is too general and does not state a specific prediction.

Explanation:


Related Questions

The lacrimal gland is also known as the tear gland. It provides the proper ingredients and most of the volume of the tears that bathe the ____ of the eye. Secretions here contain an antibacterial enzyme called ____ , and also antibodies that attack ____ before they enter the body.

Answers

Lacrimal glands are the tear glands. These secrete tears that bathe the  orbit of the eye. These secrete enzyme called Lysozyme which is antibacterial and secretory IgA antibodies that attack viruses and bacteria.

What are Lacrimal Glands?

Lacrimal glands are the exocrine glands that secrete tear. These are found in most terrestrial vertebrates and some marine mammals. These are present on the orbit above the lateral end of each eye. These secrete watery fluid which cleanses and protects the eye surface.

Secretions of the lacrimal gland contain enzymes such as lysozyme, amylase, secretory IgA antibody, etc. These protect the eye by attacking the bacteria and virus.

Therefore, proper functioning of the lacrimal gland is important for the protection and lubrication of eye.

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A solution with a pH of 3 has how many more protons in it than a solution with a pH of 7?

a.
10 times

b.
100 times

c.
1000 times

d.
10,000 times

Answers

Answer:

An acid is used to bring the pH of a solution from pH 9 to pH 6 the many times more acidic is the final solution than the initial solution is that of option b. 10 .

Which is greater acidic a pH of 6 or a pH of 8?

A pH much less than 7 is acidic. A pH more than 7 is simple. The pH scale is logarithmic and as a result, every entire pH fee underneath 7 is ten instances greater acidic than the subsequent better fee.pH much less than 7 is acidic. A pH more than 7 is simple. The pH scale is logarithmic and as a result, every entire pH fee underneath 7 is ten instances greater acidic than the subsequent better.

The pH is a degree of the attention of hydrogen ions, the acidity or alkalinity of a solution. The pH scale is commonly among zero and 14. Aqueous answers at 25 ° C with a pH of much less than 7 are acidic and simple or alkaline solution are people with a pH of more than 7.

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Explanation:

The map below shows the locations of three cities: Los Angeles, California; Oklahoma City, Oklahoma; and Myrtle Beach, South Carolina. The map also includes information about prevailing wind directions (dotted lines) and the location of cold water (solid lines) and warm water (dashed lines) ocean currents.
Rank the cities based on their summer high temperatures, with 1 being the coolest summer, and 3 being the warmest summer.

Answers

According to map summer high temperature the correct series of countries are Oklahoma, Oklahoma city, California, South Carolina, Los Angeles, and Myrtle Beach. The most hottest city is Oklahoma.

What is map?

Map is defined as a sketch or representation of various countries, routes, rivers, boundaries, oceans, mountains, and building, as well as temperature  on a paper which is designed and sketched in such a way that a person can take help to understand the various related topics such as temperature, weather, rivers and routes through it.

The countries which are very near to the equator are considered to be the warmest countries and the people or citizens of that countries are having high percentage of melanin in their body.

Therefore, According to map summer high temperature the correct series of countries are Oklahoma, Oklahoma city, California, South Carolina, Los Angeles, and Myrtle Beach. The most hottest city is Oklahoma.

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Please help me answer this question as soon as possible!!

You observe two beakers containing clear liquid and ice cubes. In the first beaker, the ice cubes are floating. In the second, the ice cubes are on the bottom of the beaker. Write a hypothesis to explain the difference in your observations about the two beakers.

Answers

When water freezes into ice the hydrogen bonds formed allow them  to be spaced farther apart, making them take more space and the overall density decreases, so ice float in the water.

What is density ?

The density of can be referred as the mass per unit volume which means the ratio between mass and volume, where how much stuff an object has in a unit volume.

It is a measurement of matter, where it mainly presents the mechanism of matter is bind together, put forwarded by the Greek scientist Archimedes

Density = Mass/Volume

When ice melts its surface area increases so it is present at the bottom of the beaker.

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How does the carbon cycle and ocean acidification impact coral reefs, and how is human activity having an effect? Relate this to the carbon cycle.​

Answers

Ocean acidification is caused by the increased dissolving of carbon dioxide in ocean water, removing this carbon dioxide from the atmosphere and potentially, eventually, resulting in its storage in the deep ocean. This results in less carbon dioxide being present in the Earth's atmosphere but can also dissolve carbonate deposits in the ocean, increasing the quantity of dissolved inorganic carbon in the oceans.

in many single-celled organisms, reproduction occurs asexually by producing spores and sexually by producing?

Answers

In most of the single celled organisms like fungus, spyroghyra, etc, reproduction occurs asexually.

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Which hypothesis is NOT testable?
Plastic should be recyclable.
Plastic has a low boiling point.
Plastic has a high melting point.
Plastic does not break down in the environment.

Answers

Might Be wrong but I think C

What part of the cell is responsible for letting water into our cells when dehydrated?

Answers

Answer:

The part of a cell that contains RNA that helps in protein synthesis. The large and abundant vesicle of a plant cell is called a vacuole. It contains fluids and helps in storage of substances, building material, and water. The cell wall, central vacuole, and chloroplasts are the distinguishing parts of a plant and animal cell.

If the rosehip neuron is present in humans what does it show us or explain?

Answers

Answer: Rosehip appears to be an inhibitory neuron, which regulates the flow of information to certain parts of the brain. Saplakoglu reports the rosehips seem to connect to pyramidal neurons, an “excitatory” neuron that makes up about two-thirds of the neuron cells in the neocortex.

Explanation:

Which of the following conclusions can you draw about early human migrations? (4 points)

Group of answer choices

A) Humans migrated to Europe and North America at the same time.

B) Humans migrated to Asia last.

C) Humans migrated to North and South America last.

D) Humans migrated to Australia before they migrated to Europe.

Answers

The conclusions which can be drawn about early human migrations is that humans migrated to north and South America last and is denoted as option C.

What is Migration?

This is the process which involve the movement of people from one location to another in other to settle down there which could be as a result of availability of resources, job opportunities etc.

It is believed that Humans migrated to North and South America last which is in the period of at least 20,000 years ago and is later than other regions which is why it was chosen as the most appropriate choice.

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how is gallium obtained and separated from nearby substances?
PLLSSS HELP

Answers

Gallium(III) hydroxide in potassium hydroxide solution can be electrolyzed to produce the metal.

What is the purpose of gallium?

It is crucial for Blu-ray technology, mobile phones, blue and green LEDs, and touch switches with pressure sensors. Most metals are easily alloyed with gallium. Particularly in low-melting alloys, it is employed. Because of its high boiling point, it is perfect for recording temperatures that would cause a thermometer to vaporize.

Does gallium react with gold?

Furthermore, because gold and gallium can produce alloys with low melting points, it is not surprising that a significant amount of the underlying GaAs dissolves during the alloying cycle. The end result is a contact with good electrical characteristics but one that is quite atypical morphologically and challenging to duplicate.

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How does an organism composed of relatively small cells have an advantage over one made of larger cells?

Answers

The surface area-to-volume ratio of a cell diminishes with growth. If the cell were in the form of a cube, the same reasoning would hold true. The plasma membrane won't have enough surface area if the cell enlarges too much to accommodate the volumetric rise in diffusion rate.

In other terms, a cell gets less effective as it develops. One technique to increase efficiency is to divide, while another is to create organelles with specific functions. Smaller single-celled creatures have a high surface-to-volume ratio, which enables them to rely on material and oxygen diffusion into the cell (and waste diffusion out) to survive. This method can be more effective if the objects have a larger volume to surface area ratio. Larger animals need specialized organs (such as the lungs, kidneys, and intestines) that efficiently increase the surface area accessible for exchange activities, as well as a circulatory system to transport materials and heat energy between the organism's surface and core.

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Describe Lamarck's theory of inheritance of acquired characteristics. Why is it invalid?

Answers

The theory of evolution proposed by Lamarck tells us that living beings were not created from nothing but were the result of evolution from much simpler beings.

How does evolution occur according to Lamarck?

These evolutionary characteristics were obtained when an individual adapted to a change in situation or environment that occurred through a habit. He says then that evolution occurs by characters acquired through life, these are passed to its germ line and so little by little the evolution is taking place.

This theory was not taken into account since it is impossible to transfer acquired characteristics from the somatic line to the germ line. Giving then as erroneous this theory proposed by Lamarck.

Therefore, we can confirm that the theory of evolution proposed by Lamarck tells us that living beings were not created from nothing but were the result of evolution from much simpler beings.

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Which piece of information provided the stimulus for the shift from traditional classification to modern classification? An understanding that organisms have not changed over time

Answers

Answer:

BRO WE GANSTA

Explanation:

whats the treatment of gout​

Answers

Answer:

Non-steroidal anti-inflammatory drugs (NSAIDs) are usually recommended as the first treatment for gout. They work by reducing pain and inflammation during an attack. NSAIDs used to treat gout include naproxen, diclofenac and etoricoxib.

Table B. Identities of Rock Samples
Rock sample
1
2
3₂
4
5
6
Name of rock

Answers

32 it’s a weak rock from what I learned

Describe the importance of DNA and RNA as molecules essential for the transmission of genetic information.

Answers

Explanation:

Dna is the genetic informational molecular and its important to identify an organism off another and Rna is a part of the Dna itself

Changes in pH alters the enzymatic activity by modifying electric charges
A True
B) False

Answers

Changes in pH alters the enzymatic activity by modifying electric charges hence the statement is False.

Briefing:

The activity of the enzyme slows down and finally stops when the pH value deviates from the optimum range. The substrate houses the enzyme's active site.

What generates an electric charge?

When electrons are added to or taken away from an object, an electrical charge is produced. An object acquires a negative charge when electrons are introduced to it because electrons have a negative charge. An object acquires a positive charge when its electrons are removed.

What is an example of an electric charge?

The ability to conduct electricity is a characteristic of many fundamental, or subatomic, components of matter. As an illustration, protons and neutrons both have positive charges but electrons have a negative charge.

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what are two ways in which termites actually contribute to plant growth

Answers

Answer:

1. Termites help to aerate the soil and improve drainage.

2. Termites also help to break down organic matter in the soil, which release nutrients that are essential for plant growth.

Explanation:

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How to create rain?

The answer is HIGH, COLD,LOW

Answers

The answer should be cold

What does this quote mean? " "This would provide a selective advantage for the brightest males which could lead to a runaway process where males would get brighter and brighter with each generation. Even females who bucked the trend would be at a disadvantage for, if they chose to mate with plainer males, they risk producing drab sons who would be less likely to be picked as mates in their turn".

Answers

The meaning of the given quote: This would provide a selective advantage for the brightest males...Even females who bucked the trend would be at a disadvantage for, if they chose to mate with plainer males, they risk producing drab sons who would be less likely to be picked as mates in their turn" is given below.

This means that in the process of mating, the brightest males would be selected first which leads to a selection advantage for them and even if females decided not to pick the brightest males, this would be to their disadvantage as their offspring would be likely to be selected last, if at all.

What is a Quotation?

This refers to the use of inverted commas to show the direct words of a speaker in a given sentence.

Hence, we can see that The meaning of the given quote: This would provide a selective advantage for the brightest males...Even females who bucked the trend would be at a disadvantage for, if they chose to mate with plainer males, they risk producing drab sons who would be less likely to be picked as mates in their turn" is given below.

This means that in the process of mating, the brightest males would be selected first which leads to a selection advantage for them, and even if females decided not to pick the brightest males, this would be to their disadvantage as their offspring would be likely to be selected last, if at all.

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PLEASE HELP (PSYCH)
Question 3 (1 point) When using the correlational research design, researchers report a number called the "correlation coefficient" This number indicates strength & direction of the relationship between two variables and falls between -1 and +1. Choose the correlation coefficient that demonstrates a moderate relationship showing fewer depression symptoms in people who report higher community engagement? a) -0.61 b) -0.19 c) +0.17 d) +0.61

Answers

The correlation coefficient that demonstrates a moderate relationship showing fewer depression symptoms in people who report higher community engagement is +0.61. That is option D.

What is correlation coefficient?

Correlation coefficient is a measure that is used statistically to know the extent of change that can be brought about on a variable through the change of another variable that is related to it.

The correlation coefficient is measured by dividing the covariance by the product of the two variables' standard deviations.

This number indicates strength & direction of the relationship between two variables and falls between -1 and +1.

There are various types of correlation coefficient which are the negative correlation coefficient and the positive correlation coefficient.

An example of a positive correlation coefficient is +0.6 which shows that there are fewer depression symptoms in people who report higher community engagement.

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WILL GIVE BRAINLIEST - Defining a system under study and making a model of it are tools for developing a better understanding of natural phenomena in science. Give an example of how system models are used by scientists to investigate natural and designed systems.

Answers

Models are used to symbolize components of the herbal international which can be too small, large, complex, or hard to examine or give an explanation for directly. For example, atoms are too small to examine directly, so fashions are used to visualise components of atoms .

Models use acquainted gadgets to symbolize unexpected things. Models allow you to visualize, or photo to your mind, some thing this is hard to look or apprehend. Scientific models can assist scientists talk their ideas, apprehend processes, and make predictions.A version of the motions of the sun, moon and earth (that you participated in closing year) A version of predicting eclipses.

Models that designate climate phenomena may be used to are expecting climate.Scientists use fashions as a way to help withinside the visualization of modern-day expertise of a gadget withinside the country that it's far in at the existing time.

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Choose
an animal that interests you.
Explain how you know that this
organism is an animal.

Answers

Explanation:

Elephant:- warm blood and bulky in mass have visible ears, are property of Mammel, Mammel is branch of animal

what is photosynthesis ?explain it with vivid examples

Answers

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

photosynthesis is the process by which green plant use energy from sunlight to manufacture their own food by combining carbon dioxide , water and mineral salt

example plants, algae (diatoms, phytoplankton green algae, euglena


How do graded potentials lead to the generation of an action potential in a single
neuron?

Answers

When a graded potential causes hyperpolarization in a neuron, an action potential is not occur,  where as  If a graded potential causes depolarization, an action potential is more likely to occur.

What are the types of neuron ?

The neurons are the basic nerve cell of the nervous system where the presynaptic neuron emits the nerve impulse and the postsynaptic neuron  receives this impulse.

The function of neurons can be Sensory  which handle information from the sensory organs like  skin, eyes, ears, nose and Motor which emit signals from the brain and spinal cord to the muscles.

Other neuron are Interneurons form a bridge connection between two neurons depending on how distant the neurons are from each other.

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A sample of an unknown liquid has a volume of 24.0 mL and a mass of 6 g. What is its density? Show your work or explain how you determined this value. I believe you would divide the mass x volume, 24,0 divided by 6
which = 4 GIVING 31 POINTS ANSWER FAST!!!!!!!!!!!!!!!!!!

Answers

The density of the unknown liquid sample will be 4.0 g/.mL

What is density?

The density of a substance is the ratio of the mass of the substance to its volume.

This is mathematically expressed as:

Density = mass/volume.

In this case:

Volume of unknown liquid sample = 24.0 mL

Mass of unknown liquid sample = 6 g

Density of the unknown liquid sample = 24.0/6

                                                  = 4.0 g/mL

Thus, the density of the unknown liquid sample us 4.0 g/mL

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There was an accident in the lab, and a sample had the label removed. The sample tested negative for the Benedicts test, Biuret test, and Sudan Red Test. It tested positive for the Lugol test. What type of macromolecule is available in the sample?

Select one:
a.Monosaccharides
b.Lipids
c.Proteins
d.Starches

Answers

Type of macromolecules available in the sample is Starches.

Macromolecules are very large molecules that are important for biophysical processes such as proteins and nucleic acids. It is made up of thousands of covalently bonded atoms. Many macromolecules are polymers of small molecules called monomers.

Biopolymers are abundant, naturally occurring large cellular components that perform a variety of functions essential for the growth and survival of organisms. There are four main classes of biopolymers: carbohydrates, lipids, proteins and nucleic acids.

Proteins, carbohydrates, lipids and nucleic acids are the four most important macromolecules. They perform important functions such as providing structural support, providing storage fuel, storing and retrieving genetic information, and accelerating biochemical reactions.

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What is the purpose of scientific argumentation?

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A scientific argument is a method that researchers use to direct their work. In order to ultimately improve rational explanations and experimental designs, scientists point out flaws and limitations in other people's arguments. Evidence-based arguments is the term for this technique.

The aim of scientific reasoning is to assess the reliability and validity of methods and results. It would be appropriate to accept the scientific research if one could validate and demonstrate all of the points made. This part is structured around the four components of scientific argumentation

EvidenceReasoningStudent interactionCompeting claims

The method by which research, as a field, creates and greater integration, is through scientific debate. Other scientists assess and analyze the assertions, supporting evidence, and explanations of that evidence when scientists make arguments in favor of novel theories.

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does phloem gives mechanical support to plant

Answers

Answer:

no

Explanation:

Phloem won't give any mechanical strength to the plants. Xylem and Phloem are the parts of the vascular bundle. Vascular bundles are defined as the strands of conducting vessels having xylem and Phloem to supply water from roots and food prepared by leaves to the remaining parts of the plant.

Other Questions
can someone help me with this thanks so much for the help! Finding the initial amount and rate of change given a table for a linear function Bejsickwnanciodkwbdjxiwnsnxbx Find mG.In the following image shown below Find the first five terms of each sequence. a n = 1/2 a , where a=20 At the time of this book's publication in 1919, the national park system in the United States was barely three years old, though national parks had existed for almost fifty years. In this excerpt from his book on the National Park system of the United States, the author explains why the national parks in America are the best in the world.(1) The National Parks of the United States are areas of supreme scenic splendor or other unique quality which Congress has set apart for the pleasure and benefit of the people. At this writing they number eighteen, sixteen of which lie within the boundaries of the United States and are reached by rail and road. Those of greater importance have excellent roads, good trails, and hotels or hotel camps, or both, for the accommodation of visitors; also public camp grounds where visitors may pitch their own tents. Outside the United States there are two national parks, one enclosing three celebrated volcanic craters, the other conserving the loftiest1 mountain on the continent.(2) The starting point for any consideration of our national parks necessarily is the recently realized fact of their supremacy in world scenery. It was the sensational force of this realization which intensely attracted public attention at the outset of the new movement; many thousands hastened to see these wonders, and their reports spread the tidings2 throughout the land and gave the movement its increasing impetus3.(3) The simple facts are these:(4) The Swiss Alps, except for several unmatchable individual features, are excelled in beauty, sublimity4 and variety by several of our own national parks, and these same parks possess other distinguished individual features unrepresented in kind or splendor in the Alps.(5) The Canadian Rockies are more than matched in rich coloring by our Glacier National Park. Glacier is the Canadian Rockies done in Grand Canyon colors. It has no peer.(6) The Yellowstone outranks by far any similar volcanic area in the world. It contains more and greater geysers5 than all the rest of the world together; the next in rank are divided between Iceland and New Zealand. Its famous canyon is alone of its quality of beauty. Except for portions of the African jungle, the Yellowstone is probably the most populated wild animal area in the world, and its wild animals are comparatively fearless, even sometimes friendly.(7) Mount Rainier has a single-peak glacier6 system whose equal has not yet been discovered. Twenty-eight living glaciers, some of them very large, spread, octopus-like, from its center. It is four hours by rail or motor from Tacoma.(8) Crater Lake is the deepest and bluest accessible lake in the world, occupying the hole left after one of our largest volcanoes had slipped back into earth's interior through its own rim.(9) Yosemite possesses a valley whose compelling beauty the world acknowledges as supreme. The valley is the center of eleven hundred square miles of high altitude7 wilderness.(10) The Sequoia contains more than a million sequoia trees, twelve thousand of which are more than ten feet in diameter, and some of which are the largest and oldest living things in the wide world.(11) The Grand Canyon of Arizona is by far the hugest and noblest example of erosion in the world. It is gorgeously carved and colored. In sheer sublimity it offers an unequalled spectacle8.(12) Mount McKinley stands more than 20,000 feet above sea level, and 17,000 feet above the surrounding valleys. Scenically, it is the world's loftiest mountain, for the monsters of the Andes and the Himalayas which surpass it in altitude can be viewed closely only from valleys from five to ten thousand feet higher than McKinley's northern valleys.(13) The Hawaii National Park contains the fourth greatest dead crater in the world, the hugest living volcano, and the Kilauea Lake of Fire, which is unique and draws visitors from the world's four quarters.(14) These are the principal features of America's world supremacy... No wonder, then, that the American public is overjoyed with its recently realized treasure, and that the Government looks confidently to the rapid development of its new-found economic asset. The American public has discovered America.1highest2Information; news3The force by which something moves; making something move4Gorgeous, glorious5Springs in which heat below the surface occasionally sends a column of water high into the air aboveground6A large mass or river of ice that is moving slowly7The height at which an object, such as a mountain, building, or aerial vehicle, rises8Visually striking or beautifulSelect the correct answer. How does the author connect the ideas about the parks in America throughout the passage? A. by comparing and contrasting their characteristics B. by listing them in order of importance C. by explaining why each one is unique D. by providing information on how to visit them Plant and Animal CellsPart A: Identify the numbered structures in the cells shown below. Use your textbook, notes, orother appropriate resources. An answer bank is provided at the bottom of page 2.FR12Cell Awww111013WCAND-4-56-78-91.Selective perd2. NUCIES3.4.5.6.7.8.9.10.11.12. pleasee helppp meee . In the lab, Heather has two solutions that contain alcohol and is mixing them with each other. She uses 4 times as much Solution A as Solution B. Solution A is15% alcohol and Solution B is 12% alcohol. How many milliliters of Solution B does she use, if the resulting mixture has 216 milliliters of pure alcohol? The year is 1880 and grace marsh wants to attend a university to study psychology. based on the history of the field what is the likely outcome? If the fractional conversion in an ester interchange reaction is 0.99999, what would be the average degree of polymerization (pn or dp) of the polyester produced? Solve each equation. Check your answer. 3(x+1)=9+2 x What are the three key elements of a visionary organization?a. set a direction evaluate performance b. specify a foundationc. formulate strategies d. motivate employees (4x y)(5x^2yz) please I need it -3 x 58 how do I do it. c +16c+nhow to solve for N find the volume of cylinder Based on what you just read, did Arthur Balfour and the British government protect the"civil and religious rights" of the non-Jewish communities in Palestine? The percent of heat radiation reflected by the different types of surfaces that earth has (i.e. snow, rock, forest, etc.) can be quantified or measured as? Argentina contesta las siguientes oraciones complete the following sentences HELP will give BRAINLYST