Find the mistake.

Drought, rising temperatures and heat waves have been affected the food and water supply.

A. rising temperatures

B. heat waves

C. been affected

D. water supply

What does the notice mean?

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The red squirrel in England is in danger of ______.

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The national park was established to ______ the ecosystem of the limestone forests.

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Natural resource managers ______ the needs and behaviors of wildlife.

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Some people ______ down lots of trees along the river for the past two weeks.

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One of the factors that cause a species to become endangered is habitat ______.

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Naturally, many different species in this freshwater ecosystem share the same kind of ______.