Questions

Chernobyl disaster is the result of pollution by_____________

Which layer of the earth's atmosphere contains the ozone layer?

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

Which among the following has highest electron affinity?

Which one of the following is a cation?

Algal bloom results from

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

At somebody's expense

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
My mother said to me, "You will regret your actions."