This is the hole of the .............

An .................is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Desert, forest, oceans or jungles are different types of ..................

The ................... is rising due to global warming.

This factory is emitting a lot of ..................

Wind energy is a .................

...................... is very important

............. is the introduction of harmful materials to the environment.

Carbon dioxide ............... make the hole in the ozone layer bigger

Due to ........................ ice caps are melting.