Discuss how classification systems have undergone several changes over a period of time?

Why are the classification systems changing every now and then?

What are the materials that remain unchanged over long periods of time?

Assertion :- Classification systems are changing overynow and then. Reason :- Over time, criteria for classification changed.

For a body in circular motion with a constant angular velocity, the magnitude of the average acceleration over a period of half a revolution is … times the magnitude of its instantaneous acceleration.

If a vertical mass spring system is taken to the moon, will its time period after?

Half-life period of a radioactive element is 100 seconds. Calculate the disintegration constant and average life period. How much time will it take for 90% decay?

How is the five kingdom classification advantageous over the two kingdom classification ?