Nitrogen is a major component by which plants use sun energy to produce sugars from water and carbon dioxide. (It is also a major component of amino acids)
<span>1) regulation of enzyme activity. 2) regulation of enzyme production.</span>
Answer:
Alveoli
Explanation:
The smallest branches are called bronchioles and at the end of these are your air sacs (alveoli).
Answer:
rain lakes river mountain
Explanation:
rain lakes river mountain are example. put your choices.