Answer:
I would say B - Convection
Explanation:
it is volcanos and earthquakes that move the tectonic plates... but those act like convection currents...
-Solar Winds come from the Sun and they are reflected off of Earth's magnetic shield so that can't be correct.
-Gravitation does play a role yes but I can not say that it actually causes it... (Gravity holds everything in orbit and also together... and it helps keep things on Earths surface -it is the reason why we can still breath-)
-Unknown - Still Investigating, The reason why the tectonic plates move "was" discovered... or at least it is believed to have been. But I do not doubt that they are still studying it... because they probably are still investigating
-The convection currents move the plates. Where convection currents diverge near the Earth's crust, plates move apart. Where convection currents converge, plates move towards each other.
I have a nice day and I hope it helps!
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For an ecosystem to stay stable it most likely has what?
A. it has a high level of biodiversity
B. it has more predators than prey
C. Biotic factors decrease
D. Finite resources decrease
what is the speed of light times 90
Answer:
the speed of light times 90 is 26 981 321 220 m / s
Explanation:
multiplication duh
PLEASEEEEE HELPPP THIS IS DUE TODAY I NEED HELP .
which statement about the use of independent variable in controlled experiment is correct
Answer:
The facts collected from an experiment are written in the form of a hypothesis. 4. Which statement about the use of independent variables in controlled experiments is correct? (1) A different independent variable must be used each time an experiment is repeated. (2) The independent variables must involve time.
Explanation:Hope this helps
20 POINTS
NEED ASAP
A. What is the function of the genes in DNA molecule?
B. How is DNA compacted to form a chromosome?
C. How is the cell divided during mitosis?
a. Genes are a section of DNA that are in charge of different functions like making proteins. Long strands of DNA with lots of genes make up chromosomes. DNA molecules are found in chromosomes. Chromosomes are located inside of the nucleus of cells.
b. DNA is tightly packed up to fit in the nucleus of every cell. As shown in the animation, a DNA molecule wraps around histone proteins to form tight loops called nucleosomes. These nucleosomes coil and stack together to form fibers called chromatin. Chromatin, in turn, loops and folds with the help of additional proteins to form chromosomes.
c. Mitosis is the phase of the cell cycle where chromosomes in the nucleus are evenly divided between two cells. When the cell division process is complete, two daughter cells with identical genetic material are produced.
A. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies. Each DNA sequence that contains instructions to make a protein is known as a gene.
B. To package DNA inside the nucleus, cells wrap their DNA strands around scaffolding proteins to form a coiled condensed structure called chromatin. Chromatin is further folded into higher orders of structure that form the characteristic shape of chromosomes.
C. During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells. ... Meiosis also allows genetic variation through a process of DNA shuffling while the cells are dividing.
PLEASE HELP WILL GIVE BRAINLIEST A(n)
shows the relationships among all species in an ecosystem.
O A) energy pyramid
B) food chain
OC)
food web
O D) environmental change
Answer:
the food chain
Explanation:
every species in the ecosystem eats or gets eaten
How stem of a aquatic plants help for them?
Answer:
Explanation:
to float and that they have lightly packed cells i think
Which part of the spine is likely to cause a nerve signal to travel faster
Answer:
Gaps between the Schwann cells are called nodes of Ranvier. These nodes permit an impulse to travel faster because it doesn't need to depolarize each area of a membrane, just the nodes.
Explanation:
10 POINTS!!
if a man with type BO blood has a child with a woman that has type AB blood, what is the percent probability that their child will have type AB blood?
The percentage for the child to have AB blood is 25%. Since BOxAB=BA,BB,AO, and OB, then each of them all of 25% to be the child’s blood type. 100% divide 4=25%.
If a man with type BO blood has a child with a woman that has type AB blood, then the percent probability of the child with blood type AB will be 25%.
What is Blood typing?A blood type is a classification of blood, which is based on the presence and absence of the antibodies and inherited antigenic substances on the surface of the red blood cells (RBCs). These antigens may be proteins, carbohydrates, or glycolipids, depending on the blood group system.
If a man with type BO blood has a child with a woman that has type AB blood, then the percent probability that their child will have type AB blood are as follows:
Probability of blood type AB = 1/4 or 25%
The probability of the child to have blood type AB will be 25%.
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Question 2 (1 point)
A tumor is:
a) a large group of cells that grew without regulation
b) a large group of cells that is growing a new structure
c) a group of cells that is a different type than what surrounds it
Photosynthesis uses ______, _______, and _______ to produce _____ and _______.
please answer in this format
photosythesis uses sunlight, ------ and
Answer:
Photosynthesis uses sunlight and oxygen and carbon dioxide to produce sugar and energy.
Explanation:
Robin is swinging back and forth from a trapeze. In which of the following situations in his kinetic energy being transformed into potential energy?
Answer:
When his height is increasing and his speed is decreasing
Explanation:
For study island
As the atmosphere and Earth's surface materials absorb ultraviolet light, visible light, and infrared energy, they gain thermal energy and their temperatures rise. Which of the following best explains why the dry and sandy areas of deserts are hotter than the water in oases, even when the areas are both at the same latitude and altitude?
A. Water's ability to moderate temperature is less than that of sand.
B. Water's ability to morerate temperature is greater than that of sand.
C. Water is a polar molecule that reflects heat energy with like eletrical charges.
D. Water is a polar molecule that attracts hear energy with opposite electrical charges.
The dry and sandy areas of deserts are hotter than the water in oases, because of the water's ability to moderate temperature is greater than that of sand. Thus, the correct option is B.
How does water moderate temperature?Water has a high specific heat capacity which makes it absorb a lot of heat energy before it actually begins to get hot or raise the temperature of the water body. The specific heat of water has a huge role to play in the Earth's climatic conditions and it also helps to determine the habitability of many of the geographical locations around the globe.
The dry and sandy areas of deserts are hotter than the water in oases, even when the areas are both at the same level of latitude and altitude because of the water's ability to moderate the temperature than that of sand.
Therefore, the correct option is B.
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23. (7. L.44.6) Selective Breeding is a way of insuring that a certain trait is maintained in
a breed. True or False
a. True
b.
False
Answer:
A. True
Explanation:
Selective Breeding is when humans select two parents that have beneficial phenotypic traits to reproduce and have offspring with those desired traits.
Ribosomes produce proteins by protein synthesis,
A)True
B)False
Answer:
A) True
Explanation:
which diagram shows photosynthesis with the correct reactants and products?
The correct diagram is the top one, hope this helps!
The diagram shows photosynthesis with the correct reactants
and products is the top one.
What is photosynthesis?This is the process carried out by green plants in the production
of their food in the presence of sunlight.
The reactants are Water and Carbon dioxide while the products
are Glucose and Oxygen which is depicted ion the top diagram.
The reaction can be seen below:
6CO₂+ 6H₂O → C₆H₁₂O₆ + 6O₂
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Using indoor tanning bed before the age of 35 can increase your risk of melanoma, the deadliest form of skin cancer, by 59 percent. The risk increases with each use. Research demonstrates that even people who do not burn after indoor tanning or sun exposure are at an increased risk of melanoma if they tan indoors; therefore, exposure to the radiation emitted by tanning beds can cause skin cancer. This cancer is the direct result of a:
a) mutation in a protein
b) mutation in the genetic material
c) change in fat molecule
d) change in a starch molecule
Answer: mutation in the genetic material
Explanation: just took the test and got it right
This cancer is the direct result of a mutation in the genetic material.
What is Mutation?Genetic mutations, which occur as your cells divide and generate duplicates of themselves, are modifications to your DNA sequence. Your DNA teaches your body how to develop and work.
Genetic changes may result in diseases like cancer or, in the long run, may enable people to adapt to their environment more successfully.
A change in the DNA sequence is referred to as a genetic mutation. Your cells receive the information they require to carry out their functions from your DNA sequence.
Therefore, This cancer is the direct result of a mutation in the genetic material.
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How old do scientists believe was the earliest cell on earth?
Answer:
about 3.7 billion years
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.
Explanation:
hope it will help you
where do the products of photosynthesis come from? a. we exhale them b. plants c. we inhale them d. animals e. a chemical reaction that breaks glucose down
PLEASE HELP!
Answer:
They come from the plants
Explanation:
The products are thing things that are pruduced after a process, after photosynthises the PLANT lets out oxegyn wich is a product of photosynthises. Hope it helped;)
Logging activities can improve the economy. However, if this activity is done without control, it can have a negative effect on biodiversity. Explain. *
Answer:
Logging can impact climate change by increasing the amount of free carbon dioxide in the atmosphere. Plant life stores carbon dioxide within its tissues. Deforestation often goes hand in hand with fire, which releases this stored carbon dioxide into the air, compounding the greenhouse gas effects.
Which two terms are most closely related to learned behavior?
Complete question:
Which two terms are most closely related to learned behavior?
insight and trial-and-error reflex and insight instinct and trial-and-error imprinting and reflexAnswer:
insight and trial-and-errorExplanation:
Learned behavior: The learned behavior is the one that the organism develops as a result of experience. Learned behavior contrasts with innate behavior, genetically programed that are performed with no previous experience. This behavior is not inherited from parents to progeny; instead, it is developed during life as a result of experience and environmental influence. Learned behavior allows the individual organism to adapt to changes in the environment, and they modify by the different experiences. Insight learning: Learning that the individual gains when faces a problem for the first time and behaves to resolve it. Trial-and-error learning: Learning that the individual gains when facing a situation and trying to solve it in different alternative ways that might fail, until one of them is the correct one.When the animal or the organism faces a problem or a situation for the first time, with no previous knowledge or innate knowledge of how to solve it, it must deal with the situation in different ways until finding the solution or the correct way to get over it. Once the animal gets over the situation, it learns how to behave the next time.
Which cell has a round shape? Plant Cell or Animal Cell? Choose one!
The answer is an animal cell.
you're welcome
What is released after the enzyme activity to be used by the organism? *
1 point
Substrate
ОО
ATP
O Products
Nothing
Answer:
O Products is surely the answer
It is a contribution of different discoveries about cells that laid the groundwork for other fields of science.
A. The Microscopic Theory
B. The Theory of Evolution
C. The Cell Theory
D. The Theory of Spontaneous Generation
Answer:
I think its D or B. Not sure but its either one
A. The Microscopic Theory is the contribution of different discoveries about cells that laid the groundwork for other fields of science.
Although the theory of evolution, the cell theory, and the theory of spontaneous generation are related to cell but they cannot be directly related to other fields of science. The microscopic theory can be related to other fields of science as it can applied in biology, and physics as well. In biology the microscopy can be used to view the cells their structure and function. In physics it can be used to study the dynamics of microscopic structure and structure and function of lenses.Hence, A. the microscopic theory is the correct option.
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A student put a half teaspoon of yeast in each of three
different balloons. Then he added a quarter cup of water to each balloon. Each balloon received water of a different temperature: hot, warm, and cold. After adding the water, the student tied off the end of each balloon to seal it shut. The yeast began to produce bubbles of gas inside the balloons. After 20 minutes, the student measured the circumference of each balloon to determine how much it had grown in size.
What is the responding variable in this experiment?
Answer: I have the same question!
The choices are
A. The temperature of the water balloon
B. The amount of water placed in the balloon
C. The circumference of the balloon
D. The amount of yeast placed in the balloon
I think its D
Your experiment looked at the effect of water temperature on yeast growth.
What is water temperature?The temperature of water is a physical property that expresses how hot or cold it is. Because hot and cold are arbitrary terms, temperature can also be defined as a measurement of a substance's average thermal energy 5. Room temperature (20°C / 68°F) for maximum flavor or chilled cold (6°C / 43°F) for maximum refreshment are the best temperatures for drinking water. A thermistor, a metallic device that undergoes a predictable change in resistance in response to temperature changes, can be used to measure water temperature. This resistance is measured and converted into a temperature in Celsius, Fahrenheit, or Kelvin.
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1. Based on the relative humidity in the room (average for the 3 trials), would a drop of water on your hand evaporate? If so, do you think it would evaporate quickly? Explain your answer. (5 pts)
Answer:
Yes.
Explanation:
Because the air is not at its max saturation point, which means that it could possibly melt in your hand.
How could the jackrabbit population suddenly increase?How might this affect the ecosystem?
a large geographic region with consistent weather conditions and kinds of plants is called a _______
community
habitat
species
biome
Answer:
Explanation:
im going to guess habitat but im not sure
from which source do almost all producers obtain their energy
Answer:
Sunlight
Explanation:
I took bio last year
compare and contrast convergent and divergent evolution
Explanation:
Convergent evolution is the process where two or different species develop similar traits, in spite having the different ancestor. An example is wings of birds, bats, insects. Whereas Divergent evolution gives rise to new species which may be similar in function but morphologically different from their ancestors.
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