Social Studies True Or False.[1 Marks Each]

Oxygen is the most plentiful gas in the air. True/ False

Exosphere is the uppermost layer of the earth. True/ False

State whether the given statements are true or false.
Helium and hydrogen float from exosphere into space.

All the living being on the earth depends on the atmosphere for the survival. True/ False

State whether the given statements are true or false.
Without Green house effect earth would have been too cold to live.

Which is the important gas used by human beings for breathing?

State whether the given statements are true or false.
Wind- vane shows the direction of wind.

Green plants produce oxygen during photosynthesis. True/ False

State whether the given statements are true or false.
Air moves from high pressure to low pressure.

High pressure is associated with clear and sunny skies. True/ False

The air pressure is highest at sea level and decreased with height. True/ False

When air is heated it expands, become lighter and goes up. True/ False

State whether the given statements are true or false.
Lonosphere contains the ozone layer.

Carbon dioxide is the most plentiful gas in the air. True/ False

State whether the given statements are true or false.
Hot air is dense and heavy and cold air is lighter and expands.

All living beings on this earth depend on the atmosphere for their survival. True/ False

Climate is hour to hour ,day to day condition of atmosphere. True/ False

In thermosphere temperature rises very rapidly with increasing height. True/ False