Look at P, Q, R

1. one is very cold with long dark winters, which one?

2. one is hot and wet all year and still has some tropical rainfall, which one?

3. explain your reasoning for each

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Explanation:

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1. P because it gets hotter the closer you get to the equator.

2. R because as I said it gets hotter which also means it rains more often. They also probably mean the rain forest.

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.