Science reviewer

layers of the atmosphere

1. It is where 75% of atmospheric gases are found.
a.Thermosphere
b.Mesosphere
c.Troposphere

2. It contains a high level of ozone.
a.Mesosphere
b.Thermosphere
c.Stratosphere

3. These are the 2 major gases found on earth billions of years ago
a. oxygen and carbon
b. methane and ammonia
c. nitrogen and oxygen

4. what is the correct arrangement?
a.Trophosphere, mesosphere, thermosphere, stratosphere, exosphere
b.Trophosphere, thermosphere, mesosphere, stratosphere, exosphere
c.Trophosphere, stratosphere, mesosphere, thermosphere, exosphere

5. contains most of the weather in the atmosphere
a. Troposphere
b. stratosphere
c. mesosphere


answers
1.a
2.c
3.b
4.c
5.a