A minimum point used for comparison i think
Answer:
The reactants are the Products of Photosynthesis which is glucose and oxygen.

Explanation:
Malnutrition is the term used for being malnourished, in which a person does not have proper nutrients required for his/her growth
Answer:
The number of primary consumers will increase
Explanation:
If all the secondary consumers disappear, the primary consumers will continue to reproduce causing the population to increase