Question

C.
Form similar pairs of words.
1. oxygen and troposphere /
2. nitrogen and
3. soluble and salt /
and stratosphere
oxygen and 21%
and dust
4. salt water and
/ muddy water and filtration
5. coagulation and to help sediments settle down /
and to kill germs
D.
Answer the following​

Answer 1

Explanation:

Solution(By Examveda Team)

Pure water can be produced from seawater by distillation. During distillation, the seawater is boiled. The water vapour is then cooled and condensed to form pure water - leaving the salt behind.