How many electrons does the element oxygen have?

Answers

Answer 1

Answer:

2, 6

Explanation:


Related Questions

What happens in an ecosystem when 1 resource is removed?

Answers

Answer:

i think the answer would be that everything else will change and adapt differently because something is missing.

Please help
Giving 100 points extra
And brainliest

Answers

Answer C, biochemical comparisons between different organisms. Because it’s comparing the shark and the fly’s genes and proteins.

Answer:

i am about 97% sure the answer is c-biochemical comparisons between different organisms

Explanation:

Alcoholic fermentation

A. forms fewer ATP molecules than cellular respiration

B. uses oxygen and ATP molecules as reactants

C. occurs in the muscle cells of animals and humans

D.gives off carbon dioxide and NADH as products

Answers

Answer:

I think it’s b hope that helps.

Explanation:

Alcoholic fermentation is a biological process of fermentation in the complete absence of oxygen, caused by the activity of some microorganisms that process carbohydrates to obtain..


I think it is D but there is an explanation for you to see if it is right or wrong and choose a correct answer!!

Which variable responds to changes in another variable

Answers

Answer:

Dependent Variable

Explanation:

The dependent variable depends on the surrounding variables while the constant variable stays the same.

Answer:The dependent variable is the variable to be explained the effect. The independent variable is the variable expected to account for the cause of the dependent variable.

Explanation:

Hummingbird wings require a tremendous amount of energy to flap their wings so fast. Therefore, ___________ organelles might be very abundant in the wing muscles of a hummingbird.

Answers

Answer:

The cell organelle, Mitochondria will be very abundant in the wing muscles of a hummingbird.

Explanation:

Mitochondria are known as the powerhouses of the cell. They are are membrane-bound organelles which are found within the cytoplasm of the cells. They are the site for cellular respiration in the cell. The take in nutrients and breaks them down to produce energy in the form of ATP.

Actively respiring tissues and organs possess an abundance of mitochondria which produces the energy required by these tissues and organs.

Since hummingbirds require a tremendous amount of energy to flap their wings so fast, therefore, mitochondria would be very abundant in the wing muscles of a hummingbird.

Life can exist under frozen surfaces in polar seas because…

Answers

Answer:

Life exit under frozen surfaces in polar seas because of the anomalous behavior of water.

Explanation:

Water behaves irregularly, which helps in preventing the total freezing of seas during winter.

Since water has its highest density at [tex]4^{o}[/tex]C, the surface of seas freezes while the lower regions or layers is in form of liquid. During winter, as the temperature decreases to [tex]4^{o}[/tex]C, the layer of water with highest density sinks to the bottom while those that are less dense floats to the top. Thus when the surface temperature is below [tex]0^{o}[/tex], the lower layers under the frozen surface are at temperature range between [tex]1^{o}[/tex]C to [tex]4^{o}[/tex]C

What factors describe aquatic ecosystems?

Answers

Water flow rate, salinity, acidity, oxygen, light levels, depth,& temperature

If you were to classify materials into categories of living things and things that have never lived where do you classify a log of wood? ​

Answers

Answer:

living thing

Explanation:

hope this is helpful

A student is measuring the lengths of caterpillars for an experiment. She measures 100 caterpillars using a ruler that measures to the nearest centimeter. Which statement describes a change that could help improve the results of her experiment? O A. Her measurements will be more precise if she measures an additional 100 caterpillars. O B. Her measurements will be more accurate if she measures an additional 100 caterpillars. O C. Her measurements will be more accurate if she uses a ruler that measures to the nearest millimeter. O D. Her measurements will be more precise if she uses a ruler that measures to the nearest millimeter Please help

Answers

Answer:

B and C

Explanation:

The student's measurement would be more accurate if she can measure an additional 100 caterpillars and be more precise if she uses a ruler that measures to the nearest millimeter.

Accuracy refers to the closeness of measurement or group of measurements to the true value while precision is the closeness of repeated measurements.

The accuracy of a measurement is increased by increasing the number of sample measurements. The more the sample measurements, the lesser the deviation of the mean from the true value.

The precision of a measurement is increased by being able to measure small differences. Hence, a ruler that measures to the nearest millimeter would be more precise than a ruler that can only measure in centimeter.

The correct option is B and C.

The question is in the photo

Answers

Answer:

water melon model is the first model y

so the correct answer sequence is y z w x

what is the main source of boday​

Answers

Answer:

heart

Explanation:

cause no heart dead

The responding variable is what you are ________ based on the changes of the manipulated variable.

Answers

Answer:

The dependent (or responding) variable is the one that is observed and likely changes in response to the independent variable.

Explanation:

What produces Earth's magnetic field?
Group of answer choices

the rotation of Earth's core

the movement of Earth's tectonic plates

the pressure of Earth's crust upon the mantle

the bombardment of Earth's atmosphere by solar particles

Answers

Answer:

The rotation of Earth's core

The cell/plasma membrane is made up of what two things? a hydrophobic lipid and hydrophilic phosphate b hydrophilic sugar and hydrophobic lipid c hydrophobic lipid and carbon d hydrophilic phosphate and hydrophilic sugar

Answers

Answer: hydrophobic lipid and hydrophilic phosphate

Explanation:

what part of the body has enzymes that break down proteins

Answers

Answer:

Most of the chemical reactions occur in the stomach and small intestine. In the stomach, pepsin is the main digestive enzyme attacking proteins. Several other pancreatic enzymes go to work when protein molecules reach the small intestine. Lipase is produced in the pancreas and small intestine.

Explanation:

Is there more to life than we know?

Answers

Yes there is more to life

Answer:

Most of us work at least 5 days a week and 8-10 hours a day, some of us work even more than that. ... Even though work is a big part of our time, there is more to life than work. We work so that we can live happier, fulfilled, more engaged lives.

Explanation:

piz help me fast!!!! thx​

Answers

Answer: B fatty acids

Explanation:

Answer: I think it is C

Explanation:

Choose four elements from anywhere in the periodic table. Record their masses in the table. Explain how their masses relate to each other and their positions on the table.

Answers

Hydrogen-1.01
Helium-4.00
Oxygen-16.00
Carbon-12.01

The mass of each element comes from the total number of protons and neutrons.

Elements are organized on the periodic table by their atomic number which is their number of protons

This means that further you go down a group (column ) or to the right across a period (row) the larger the atomic number and subsequently mass number will be.

Hope that helped!

What needs to happen in order for animals to be considered a renewable resource?

Answers

Answer:

A renewable resource is a natural resource which will replenish to replace the portion depleted ... Desalination of seawater is considered a renewable source of water, ... It has been defined as "an integrated system of plant and animal production ...

Explanation:

which statment correctly descibes glucose

Answers

Answer:glucose is a good for plants it is also sugar

Explanation:

Gloucose cc. F f f f f f. Ff f f f f f g f g g f f f g f f ff f f f g f f f. Ff

3

While performing an experiment, it is important to:

a. change the control setup

b. test many different variables at the same time

C. reach a conclusion

d. record observations and measurements

Answers

D,record observations and measurements.

Identify the structures labeled in the diagram, Label B ribosomes lysosomes vacuoles​

Answers

Answer:

ribosomes

Explanation:

just trust me ig dosent seem like you have another choice atm

Answer:

A

Explanation:

Got it right on edge

Why does cell division remain important to an adult organism even after it is fully developed?

Answers

Answer:

Cell division prevents cancers, and is something that in humans and in other adult organisms as well prevents old age.

There are many more complex mechanisms that contribute to old age and cancers, but if cell division slows down an organism reaches the end of its life.

Every set of cells has a limited amount of divisions it can do. literally every organism from the moment of conception is dying.

Protein synthesis can occur on the rough endoplasmic reticulum (ER) but not on the smooth ER.

Which cell structures are attached to the surface of the rough ER that allow it to make proteins?

Choose 1 answer:

A
DNA strands

(Choice B)
B
Vacuoles

(Choice C)
C
Chloroplasts

(Choice D)
D
Ribosomes

Answers

Answer:

The answer is a

piz help me fast!!!! thx​

Answers

Answer:

B ..... .............

Proteins Only Code For Traits? True or false

Answers

Answer:

Proteins do much of the chemical work inside cells, so they largely determine what those traits are. But those proteins owe their existence to the DNA (deoxyribonucleic acid), so that is where we must look for the answer.

Explanation:

So my answer is True

who worte the book cells come from cells

Answers

Answer:

Robert Hooke wrote it.

Explanation:

WHAT DO YOU THINK IS MEANT BY GOOD TROUBLE?

Answers

Answer:

Good trouble is when you get in trouble for a good reason. If a rule is unfair and you protest against it can be called "good trouble".

Example of healthy and non healthy fat

Answers

Healthy: nuts, avocados, olive

Non healthy: fried foods, donuts, chip

Healthy: nuts, avocados, olive

Non healthy: fried foods, donuts, chip

What is the primary source of energy for food chains in an ecosystem? decomposers producers consumers the sun

Answers

Answer: sun  

Explanation:

3.1 The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water.

Answer:

I believe that the sun is the main source of energy .. it is a source of energy for plants that are eaten by animals other than eating meat. As for animals that eat meat, they feed on other animals .. I believe that the beginning of the chain is the sun

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