Which of the following definitions of pesticides in not correct? a. herbicides are chemicals that kill plants. b. insecticides are chemicals that kill insects. c. fertilizers are chemicals that kill plants. d. fumigants are chemicals that fungi.

Fertilizers are chemicals that kill plants.

Explanation:

Fertilizers are not pesticides. Fertilizers helps to improve plant yield by supplying nutrients needed for plant growth and food formation. When fertilizers are applied to plants, the nutrient pool increases and plants can readily grow without any deficiency resulting from lack of one mineral or the other.

Herbicides are used to kill plants.

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

1.solid

2.carbon dioxide

3.helium