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

Answer:

1. True

6.True

Knew only these two answers

Answer 2

Answer:

1 false

2true

3false

4false

5true

6true

I am not sure about only 4th one

pls Mark me brainliest