Grade 8- Unit 7

Choose the best answer to complete the sentences.

Sudden changes in water temperature can ________ mass killings of fish, plants, or amphibians.

• come up

• result in

• dump into

• thank to

Choose the best answer to complete the sentences.

Water pollution________ the death of all forms of life in the water bodies.

• occurs

• results of

• creates

• leads to

Choose the best answer to complete the sentences.

________ plastic takes so long to break down, it pollutes the land and ocean.

• Because

• Due to

• Even if

• Although

Choose the best answer to complete the sentences.

Many flights were cancelled ________ the smoke from forest fires.

• so

• because

• because of

• result in

Choose the best answer to complete the sentences.

________the garbage dump smells terrible, no one lives around there.

• Because of

• As

• As a result of

• Even though

Choose the best answer to complete the sentences.

After the accident, many people were exposed________ radiation

• from

• at

• to

• with

Choose the best answer to complete the sentences.

Light pollution has a wide range of negative effects________ human health.

• on

• of

• for

• to

Choose the best answer to complete the sentences.

________can cause high blood pressure, heart problems, sleep disturbances, and hearing problems.

• Air pollution

• Light pollution

• Water pollution

• Noise pollution

Choose the best answer to complete the sentences.

________are chemicals that are used to kill unwanted plants, such as weeds

• Fertilizers

• Pesticides

• Herbicides

• Pollutants

Write the correct tense or form of the verbs in brackets.

It would be better for the environment if more people________ (use) bikes rather than cars.