I know that increased temperature and concentration increases the rate of enzyme activity. Through deductive reasoning, I can conclude that lower ph must qualify as well.
Through logic, I will say "All of the above" or answer D is the best.
Humans get D vitamin from sunlight. the plants perform photosynthesis and grow , we eat those fruits and vegetables grown in the plants. so indirectly we humans and other animals are benifitted from sun sunlight . flesh eating animals eat herbivores animala so they are also benifitted
13)C.
14)B.
16)A.
18)A.
19)C.
20)C.
21)D.
22)A.
23)D.
24)D.
HOPE THIS HELPS!!
A. Hydrogen ..................
