Question

State whether the given statements are true or false.
1. Hot air is dense and heavy and cold air is lighter and expands.
2. Without Green house effect earth would have been too cold to live.
3. Ionosphere contains the ozone layer.
4. Helium and hydrogen float from exosphere into space.
5. Wind – vane shows the direction of wind.
6. Air moves from high pressure to low pressure.

Answer 1

1. True

2.True

3.False

4. True

5. True

6.True

this is your answer hope it helps you