Please answer part a and b

1.A.this is false since M is the peak of the graph

B.this is true since oxygen is a product of photosynthesis

C.this is true since respiration still occurs and produces water but photosynthesis that consumes the water has a low intensity

D.this is false since the rate of photosynthesis is lower in I

2.A.this is false since oxygen molecules don't break down during photosynthesis

B.this is false because the temperature influences the rate of photosynthesis

C.this is true since high temperature causes damage to the cells

D.this is true because enzymes work at specific temperatures