<span>True! stomata open and close to maintain the homeostatis of the plants. its function is to keep the internal temperature and the water level.</span>
Answer:
A nucleus and a cell membrane.
Explanation:
Answer:
20%
Explanation:
cytosine = guanine = 30%
cytosine + guanine = 60 %
adenine + thymine =100% - 60% = 40 %
thymine = 20%
