Question

what is Rainbow
what is is photosynthesis.
what is brain
what is continent​

Answer 1

Rainbow is a colorful eye mirage formed after rain.

photosynthesis is the process of making food in the leaf of the plant using Chlorophyll ,carbon dioxide ,water and sunlight.

brain is the nerve in our head which controls our whole body.

a continent is a big piece of land with many countries in it.

Answer 2

Explanation:

Mathematics includes the study of such topics as quantity, structure, space, and change. It has no generally accepted definition. Mathematicians seek and use patterns to formulate new conjectures; they resolve the truth or falsity of such by mathematical proof.