It would be B. The Alps. The Alps one of the only mountain ranges in the world tall enough to be classified as "Highland climate," and certainly the only one big enough out of the list mentioned to be classified that way.
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
The answer is A) by offering incentives to families who only have one child
Fertile soil and mild climate!
The correct answer is rain forests increase greenhouse gases. I know for sure it's not the first or third answer. Rain forests are the habitats for many animal and plants but I'm pretty sure its over 50% not 30%.