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which energy source has no greenhouse gas emissions or health impacts on humans, but is only available in certain geographic locations? a. geothermal power b. nuclear power c. hydrogen fuel d. natural gas

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

Stages 1 and 4 of the demographic transition are similar in that

Which of the following mountain ranges is home to the largest mountain peak in europe? a. the carpathian mountains b. the caucasus mountains c. the balkan mountains d. the ural mountains select the best answer from the choices provided a b c d