Answer:
2 - "a"
3 - "c"
4 - "a"
Step-by-step explanation:
2 is "a" because humans are clearing the rain forest. Therefor HEI
3 is "c" because NCSS helped formalize them. I see that you selected "b" for 3, but my answer is only an opinion.
4 - Place refers to a description rather than location. So your answer would be "a" because it's describing the south.