Question

Q2. Write a paragraph on any one topic in about 100 words. Draw pictures
related to your topic.​

Answer 1

Answer:

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye.Visible light is usually defined as having wavelengths in the range of 400–700 nm, or 4.00 × 10−7 to 7.00 × 10−7 m, between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths).

Answer 2

Pollution is the process of making the environment pollute the water and the air by adding harmful substances. Pollution causes an imbalance in the environment. ... People have converted the life support system of all living people into their own resources and have greatly disrupted the natural ecological balance