Question

please give me answer​

Answer 1

Answer:

a/ air pollutants

b/ oxygen

c/ atmosphere

d/ gills

e/ combustion

Answer 2

$\huge\sf{ANSWER:}$

A. An Undesirable constituent of Air:

$\tt\blue{Air \ Pollutant}$

Air pollutants pollute the air. The polluted air harms living organisms. Some of the include Chloroflurocarbons, Carbon Monoxide, Smog, etc.

B. The constituent of air that helps in burning:

$\tt\red{Oxygen}$

Oxygen helps in burning. With lacking of oxygen, combustion doesn't takes place.

C. The thick layer of air surrounding the Earth:

$\tt\green{Atmosphere}$

Atmosphere is a thick layer of air. Its major components are Oxygen and Nitrogen. This helps us in many ways.

D. Fishes take in dissolved oxygen through this organ:

$\tt\purple{Gills}$

Gills take oxygen present in water. Then, the oxygen helps them in providing energy to perform various activities.

E. Carbon Dioxide doesn't support this process:

$\tt\orange{Combustion}$

It doesn't support combustion. This main gas required for combustion is Oxygen.

$\huge\sf{Thanks}$