Four environment practices that may lead to harmful effects to the environment​

1. Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation.

2. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

3. These negative impacts can affect human behavior .

4. It prompt mass migrations or battles over clean water.

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answer: to communicate with people on the other side.

explanation:

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

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