Question

THE ATMOSPHERE
A. Solve the crossword puzzle with the help of the clues given.
Across:
2
4. The gas in the stratosphere which absorbs
the excess ultraviolet radiation
6. The lower boundary of the exosphere
Down:
1. Water is present in this form in the air.
2. The layer of the atmosphere where ice clouds
are formed
5
3. Natural displays of coloured light in the
ionosphere
5. The greenhouse gas produced due to the
cultivation of rice, large-scale livestock
farming and improper disposal of garbage
B. identify the odd one in each set and say why it does not belong to the set.
1. Argon, nitrogen, carbon dioxide, oxygen​

Answer 1

A.

2.

4. Ozone

6. Exobase

Down

1. Water vapour

2. Troposphere

5

3. Aurora

Hope this helped...

Answer 2

A) 1) Water can be found in liquid form in oceans.

2) Troposphere.

3) Aurora borealis occur in the Earth's ionosphere.

4) Molecules of ozone absorb ultraviolet radiation. The ozone gas throughout the stratosphere is called the ozone layer.

5) No idea sorry....

6) The lower boundary of the exosphere is called the exobase.

B)

Argon because argon is a noble gas.

Hope this answer helps you!!!