Unit 15: The green evolution (Quiz)

Rainfall that is made acidic by atmospheric pollution and causes environmental harm.

• unlikely
• recyclable
• acid rain
• useless

Answer explanation

"acid rain" is the correct answer because it best fits the definition.

The variety of plant and animal life in the world or in a particular habitat.

• in danger (of)
• useless
• irreversible
• biodiversity

Answer explanation

"biodiversity" is the correct answer because it best fits the definition.

A long-term change in the earth's climate, especially a change due to an increase in the average atmospheric temperature.

• useless
• recyclable
• erosion
• climate change

Answer explanation

"climate change" is the correct answer because it best fits the definition.

The presence of a substance that makes something impure or harmful.

• taxing
• contaminate
• inevitably
• contamination

Answer explanation

"contamination" is the correct answer because it best fits the definition.

The action of clearing a wide area of trees.

• deforestation
• pervasive
• life-threatening
• pollution

Answer explanation

"deforestation" is the correct answer because it best fits the definition.

The action or process of getting rid of something, especially waste.

• disposal
• climate change
• unprecedented
• futile

Answer explanation

"disposal" is the correct answer because it best fits the definition.

A prolonged period of abnormally low rainfall.

• dispose of
• drought
• liable
• biodiversity

Answer explanation

"drought" is the correct answer because it best fits the definition.

A biological community of interacting organisms and their physical environment.

• doubtful
• impractical
• impact
• ecosystem

Answer explanation

"ecosystem" is the correct answer because it best fits the definition.

The production and discharge of something, especially gas or radiation.

• inaccessible
• emission
• useless
• unprecedented

Answer explanation

"emission" is the correct answer because it best fits the definition.

The natural world, as a whole or in a particular geographical area.

• sustainable
• inexorably
• environment
• biodiversity

Answer explanation

"environment" is the correct answer because it best fits the definition.