the ozone layer and global warming

in which layer of earth's atmosphere ozone layer is present?

• troposphere

• mesosphere

• stratosphere

ozone is made up of three atoms of

• carbon

• oxygen

• hydrogen

nitrogen oxide is used in

• refrigerator

• AC

• aeroplanes

global warming is the increase of __________ temperature.

• space

• earth

• both of them

we can control global warming by

• installing more factories

• growing plants

• using chemicals