Answer:
It helps in growth of fruits or root faster .
Explanation:
If fertilizers is applied on trees , insect won't affect and soil will be fertilized for appropriate growth .
The answer for 21 I think is false
The correct answer will be “Biological Evolution”
The Calvin cycle take place in the Stroma of the chloroplast. Calvin cycle is a set of chemical reactions that take place in the chloroplasts during photosynthesis. This cycle is light-independent since it takes place after the energy has been captured from sunlight. The process; involves four main steps; carbon fixation, reduction phase, carbohydrate formation, and regeneration phase.