Answer:
Gases that lead to air pollution include carbon, nitrogen and sulfur oxides. Explanation:
Answer:
A greenhouse stays warm inside, even during the winter. In the daytime, sunlight shines into the greenhouse and warms the plants and air inside. ... Gases in the atmosphere, such as carbon dioxide, trap heat just like the glass roof of a greenhouse.
Explanation:
Answer:
box 4, because it has more atoms in the same amount of space
Active transport, which occurs at the expense of energy.