"Terminal velocity is more if surface area of the body is more ".Give reasons in support of your answer

What is air called a mixture ? Give five facts in supports of your answer.

What is the difference between a collection and a set? Give reasons to support your answer?

Are humming birds and fish regulators or conformers ? Give reasons in support of your answer.

Medically it is adivised to all young mothers that breastfeeding is the best for their newborn babies .Do you agree? Give reasons in support of your answer

Name the wave used in sonar. Give reason to your answer.

Can two persons hear each other on moon's surface ? Give reason to support your answer.

Where would you expect more species biodiversity- in tropics or in polar regions? Give reasons in support of your answer.

Given below are the sketches of two types of cells A and B Which one of these is a plant cell? Give reason in support of your answer.