Which of the following algae is also called kelp and

For which type of motion, the distance time graph is not a straight line and can be any kind of curve?

The Atom Bomb dropped in Nagasaki is an uncontrolled nuclear fission made up of:

The SI unit of Pressure is

The acceleration due to gravity ___________ with height

A storm is predicted if atmospheric pressure:

The apparatus used in the refrigeration is

Water gets cooled, when ice is immersed in it, this phenomenon is known as

The waves which are less than 20Hz are known as 

Which one of the following animals can hear ultrasonic sound?

Which of the following wind is also known as “ICE HEATER?”