What is the impact of human on phosphorous cycle? 1. Killing plants 2. No impact 3. Pollution

b. biological control of plant diseases

Causes: (i) Huge population depended on dung and wood as fuel in their daily life. (ii) The industries and establishments that used steam engines were run on coal. (iii) In 1855, the...

(a) Phosphorus cycle is also called as sedimentary cycle because the main reservoir is rocks and the earth crust.

(b) Phosphorous enters into the soil through water.

(d) chronic stress that weakens many systems of the body.

(a) air pollution

Solar energy and wind energy.

(d) Air Pollution

(a) Air Pollution: This kind of pollution is caused by the emission of harmful gases into the atmosphere. Smoke and chemicals emitted by factories and vehicles degrade the air quality...

Worm destroyed 540 plants in the whole field.