Question

Answer 4th question please fast

Answer 1

Answer:

4TH QUESTION DIDN'T COME IN THE ATTACHMENT

Answer 2

Answer:

But we cannot see the fourth question there plz do ask the question properly so that it will be easy for us to answer.

The answer for the above question are

2) Oxygen

We can't even see the last one that is 3rd one too.

Explanation:

Hope it is useful