Questions

Through which does light travel best?

If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.

In April 2017, the G20 Digital Ministerial Meeting on Digital Economy was held in which country?

The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .

Which of the following is a greenhouse gas or a gas, which can deplete the ozone layer?

Algal bloom results from

There are how many vocal cords in the human voice box?

Insects that transmit diseases are known as