Date post: | 17-Feb-2017 |
Category: |
Education |
Upload: | sanjukta-majumdar |
View: | 331 times |
Download: | 4 times |
The earth is like a huge
ballFlat at the top
and bottom
Flattened end at north and
south are North Pole and
South Pole.
Has a bulge at the centre
Shape up….
The atmosphere of earth is suitable for us to live There are different layers of it and
contains oxygen, nitrogen, carbon-dioxide and other gases. As we go higher oxygen becomes
less. Hence we carry oxygen while we climb the mountains.