A is the correct answer i know this one i had this question before
Answer:
Photosynthesis doesn't occur at night. When there is no photosynthesis, there is a net release of carbon dioxide and a net uptake of oxygen. ... the rate of photosynthesis is higher than the rate of respiration. there is a net release of oxygen and a net uptake of carbon dioxide.
Answer:A blood: 25% B blood: 25% AB blood: 50% O blood: 0%
Explanation:
