Questions

Air moves from the region where the air _____________________________.

Which one among the following is not an electro­magnetic wave?

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

The value of universal gravitation constant (G) was determined by

___________ allows searching for information and computing derived information.

A universal donor has the blood group

___________ is the set of all possible combinations of the two inputs that yield the same maximum possible level of output.

SMOG is a combination of