Which feature do highland climates have that lower elevation areas do not?
-a tundra where there are no trees
-a treeline beyond which trees do not grow
-permafrost, or a part of the ground that is permanently frozen
-an ice cap, or a permanent cover of ice and snow

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.

Why did england's citizens restore the monarchy after the rule of oliver cromwell?

What is an ethic enclave? i have tried google and did my own research but i can't find exactly what i am looking for