Question

. Fill in the blanks.
and
1. Atmosphere is mainly composed of three major gases--nitrogen,
2.
Gases like argon, helium, methane, etc., are present in
amounts in the air.
3. All weather phenomena occur in the
4.
Atmospheric conditions over a long period of time and on a larger area is called
5. The normal air pressure at sea level is​

Answer 1

Answer:

1. NITROGEN , OXYGEN AND CARBON DIOXIDE .

PLS MARK AS BRAINLIEST

Answer 2

Answer:

nitrogen oxygen and carbon di oxide