Perennial rivers are those rivers which exhibit a continuous flow of water throughout the year except during extreme drought. On the other hand, non-perennial rivers are those rivers which have no flow for at...

Gyroscope is used for the measurement of angular rotational velocity whereas the accelerometer is able to measure linear acceleration of movement.

Delta is a sedimentary deposit formed at mouth of some rivers. It is usually triangular in shape. On the other hand, an estuary is a semi-enclosed body of water where fresh water meets the ocean.

Absorption is a bulk phenomenon in which absorbate completely penetrates into the body of a solid or liquid to form a compound or a solution. On the other hand, adsorption is a surface phenomenon in which...

Sine and cosine waves are identical signal waveforms where cosine wave leads the sine wave by an amount of 90 degrees.