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Harlamova29_29 [7]
3 years ago
5

Even though the Sun contains 99% of the mass of the solar system, the Moon revolves around the Earth. Why doesn’t the Moon revol

ve around the Sun, which has much more mass than the Earth?
Biology
1 answer:
djyliett [7]3 years ago
7 0
The gravitational force?
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The volume of a certain gas is 29.3 liters at STP. What would be the volume of the same gas at 1.39 atmospheres and -23.00C? (R=
Andrew [12]

Answer:

19.32L

Explanation:

Given parameters:

Volume of the gas at STP = 29.3liters;

      Using this information first, let us find the number of moles of the gas.

                  Number of moles = \frac{volume of gas}{22.4}

With the number of moles, we can further solve this problem;

                 Number of moles  = \frac{29.3}{22.4}   = 1.31 moles

More parameters;

Pressure on gas  = 1.39atm

temperature  = -23°C  = -23 + 273  = 250K

Unknown:

Volume of gas  = ?

Solution:

The ideal gas equation is the perfect fix to solve this problem.

It is mathematically expressed as;

              Pv  = nRT

where P is the pressure

           v is the volume

           R is the gas constant

            n is the number of moles

            T is the temperature

     Input the parameters;

             1.39 x V  = 1.31 x 0.082 x 250

                     V  = 19.32L

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3 years ago
The process of injecting water, sand, and chemicals under high pressure into rocks to release oil and natural gas is known as
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This process is called fracking.
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Which statements are true of receptor-mediated endocytosis?
Rufina [12.5K]

The statements that  are true of receptor-mediated endocytosis is that It allows the internalization of extracellular substances in clathrin-coated vesicles.

<h3>What is receptor-mediated endocytosis?</h3>

Receptor-mediated endocytosis  can as well be regarded as the clathrin-mediated endocytosis,  which can be explained as the process by which cells absorb metabolites as well as  hormones, proteins.

It should be noted that in some cases of viruses through the inward budding of the plasma membrane, however the process of endocytosis”  can be seen as one that entails  both the ingestion of large particles  whic could be bacteria as well as the uptake of fluids or macromolecules in small vesicles.

In conclusion, when it take in large moplecules it is known as  phagocytosis (cell eating) , in receptor-mediated endocytosis , there is a room for the internalization of extracellular substances in clathrin-coated vesicles.

Therefore, the first option is correct.

Learn more about substances  at:

brainly.com/question/25677592

#SPJ1

8 0
1 year ago
The organelle that is composed of a phospholipid bilayer and surrounds the cytoplasm of the cell and contains the cell is called
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✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ I believe the correct answer choice is D. cell wall.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

4 0
3 years ago
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Plants and algae need ______________ along with sunlight and carbon
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Answer:

Water

Explanation:

Water along with sunlight and Carbon dioxide is essential for photosynthesis.

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