Warm up-Lesson 4 - I PERIOD

• It is a natural process made by nature.

• It is the introduction of harmful materials into the environment.

• It is the introduction of colors into nature.

Pollution _______ humans, animals and plants.

• affect

• affects

• effect

Pollution ______ illnesses.

• caused

• causes

• cause

A synonym of illness is ______.

• disis

• disasters

• depletion

• disease

A synonym of issue is ______.

• disaster

• issue

• problem

• ecosystem

It´s an effect of pollution

• Mining operations

• Global warming

• Human and animal wastes

It´s an effect of pollution.

• Threats to marine life

• Oil Spills

• Burning fossil fuels

It´s an effect of pollution.

• Pesticides and fertilizers

• Industrial accidentes

• Natural disasters

It´s an effect of pollution.

• illnesses

• Water bodies

• Mining