Question

Guess who am I?
1) I supply plant nutrients which are needed for growth.
2) I am a branch of Chemistry and deal with study of carbon and its compounds.
3) I destroy insects which harm plants.
4) I preserve nutritional value of food and increase its shelf life.
5) I am a branch of Chemistry and deal with study of elements and compounds.
6) I am white solid (crystals) and added to pickles to preserve it for a longer time.

Answer 1

Answer:

1 manure

Explanation:

it is the only thing which can supply plant nutrients which are needed for growth of plant

Answer 2

Answer:

1) soil

2) organic chemistry

3) insecticides

4) freezing them

5) inorganic chemistry

6) salt