Mass: As long as you have density, you can calculate mass
One of the reasons people like to buy local food is because: <span>C, reducing drilling for oil to supply transport fuel reduces the impact on many creatures. </span>
Answer:
Once a star has reached the main-sequence stage of its life, it derives its energy almost entirely from the conversion of hydrogen to helium via the process of nuclear fusion in its core
Nonpolar and small polar molecules can pass through the cell membrane, so they diffuse across it in response to concentration gradients. Carbon dioxide and oxygen are two molecules that undergo this simple diffusion through the membrane. The simple diffusion of water is known as osmosis.
