Reading 1

1. Many factories release harmful ………………………. into the atmosphere.

• release

• poisonous

• pollutants

• acid rain

Burning fossil fuels can cause ………………………. to fall from the clouds.

• greenhouse effect

• poisonous

• acid rain

• pollutants

………………………. is the increase in temperature of the earth’s atmosphere. 

• global warming

• energy-efficient

• greenhouse effect

• release

………………………. vehicles and appliances use less energy than other types of transportation.

• poisonous

• global warming

• renewable

• energy-efficient

To deal with global warming, we should use ………………………. energy like solar and wind.

• poisonous

• global

• renewable

• fossil

Thousands of fish were killed as a result of a discharge of …………………….. chemicals from a nearby factory.

• hazardous

• poison

• harm

• renewable

The destruction of forests is contributing to the ………………………..

• greenhouse gases

• greenhouse effect

• pollutants 

• acid rain

Some countries approved to ………………………. contaminated water into the sea.

• renew

• release

• reuse

• reduce

Scientists are developing some ......................  approaches to treat the disease.

• alternative

• sewage

• poisonous

Untreated ...................... is being released into the sea, from where it pollutes our beaches.

• release

• sewage

• energy