Question

2. Which one of the following gases protect us from the harmful rays of the sun ?
(a) Oxygen
(b) Carbon dioxide
(0) Ozone
(d) Argon
5. Which layer of the atmosphere is the most ideal for flying aeroplanes ?
(a) Troposphere
(b) Stratosphere
(c) Mesosphere
(d) Thermosphere​

Answer 1

1. ozone

2.Stratosphere.

hope it helps.

Answer 2

Answer:

1. ozone
2. stratosphere

hope this helps