QUIZ

_________ protects the earth from the dangerous ultraviolet radiations from the sun.

One example of air exerts pressure

The weight of air per unit of area is called _______

• The earth is surrounded by a layer of gases which form the _______

________is given out by the plants during this process.

__________a process by which plants make food.

The atmosphere ________ the heat from the Sun

The atmosphere is made up of gases mostly __________ and ________

Air occupies ___________ and has _______

__________ keeps the overall temperature of the Earth

______form the weather patterns and climate.