Question

ydrer
Glossary
Carbon footprint The total amount of greenhouse gas emissions by
cycle The process of continuous movement of water above and below the surface of the Earth I lons E
charged particles | Photosynthesis It is the process used by plants to manufacture their own food by capture
Ε. Α.
sun's energy, minerals and water
EXERCISES
O c. 75
c
O d. 46
a. 78
.. Tick () the correct answer.
1. The percentage of nitrogen in the Earth's atmosphere is:
Db. 77
2. All
types
of weather and climatic changes occur in the:
a. troposphere ob. stratosphere c. exosphere
d. biosphere
3. The boundary that separates the troposphere from the stratosphere is called the:
a. tropopause
I b. mesopause c. thermopause d. hemisphere
4. The layer of the atmosphere wherein the meteorites burn out is known as the:
a. mesosphere b. exosphere I c. ionosphere d. troposphere
5. The layer of the atmosphere which gradually merges space
is called the:
a. troposphere b. stratosphere c. exosphere d. mesosphere
Fill in the blanks.
into​

Answer 1

Answer:

same above

Explanation:

tropopause

I b. mesopause c. thermopause d. hemisphere

4. The layer of the atmosphere wherein the meteorites burn out is known as the:

a. mesosphere b. exosphere I c. ionosphere d. troposphere