W22 Human Impact of the Environment

How do humans affect the environment?

• by their behavior

• by how they sleep

• by smelling flowers

• by looking at animals

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Where do wild plants and animals live?

• apartments

• habitats

• houses

• schools

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What is the term for cutting down lots of trees?

• deforestation

• environment

• habitat

• rainforest

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Why are rainforests important?

• They provide Earth's fresh water.

• They contain most of Earth's wildlife.

• They provide habitat for many humans.

• They supply most of the food for humans.

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Which area is a wetland?

• desert

• forest

• marsh

• tundra

Why do humans drain wetlands?

• to clean the atmosphere

• to make the ocean larger

• to use the land and water

• to provide habitat for animals

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What is trash that is on the ground called?

• island

• litter

• plastic

• starvation

Why is plastic bad for the ocean animals?

• They eat it instead of food.

• They use it to build shelters.

• It makes the ocean colders.

• It shades animals from the sun.

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What is pollution?

• a special habitat

• something harmful

• animals that eat plants

• when a species disappears

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What adds to air pollution?

• oil in the water

• light from cities

• noise from cars

• smoke from trucks

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