Answer: B
Explanation: because birth and immigration is making the group bigger zero deaths and animals leaving
It can be either diffusion, osmosis or active transport. depending on what is transported and how in which net direction they're moving.
Answer;
Nitro.
Explanation:
By far, the most abundant gas in the Earth's atmosphere is nitrogen, which accounts for about 78% of the mass of dry air. Oxygen is the next most abundant gas, present at levels of 20 to 21%. Although humid air seems like it contains a lot of water, the maximum amount of water vapor that air can hold is only about 4%.
Answer:
A mass
Explanation:
I learned it in 8th grade.
