Questions

Emblica officinalis is the scientific name of

Intensive cultivation refers to

The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called?

Marble is a metamorphic rock of _______.

An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.

A wooden block of mass m1 kg accelerates at m/s when a force of 5 N acts on it. Another block of mass m2 kg accelerates at 20 m/s when the same force acts on it. If both the blocks are tied together and the same force acts on their combination, the acceleration will be about

What is the noise level of normal conversation?

_____ is produced from incomplete burning of fuels such as petrol and diesel.