Answer:
Time
Explanation:
During photosynthesis availability of sunlight, nutrients and water are essential. Water is split into hydrogen ion and oxygen atoms. The sunlight provides energy that is used to split water molecules. However, time is an independent factor in primary productivity.
Maintaining life on earth<span />
If a chemistry student is given a molecular formula of a molecule, she or he can easily and readily identify if it is compound by checking the bond either a covalent bond or ionic bond. Check the items of each element since elements in a compound are in fixed ratio, she or he can easily identify.
Answer: D. Amylase
Explanation:
Amylase is a enzyme that breaks down protein present in food.
