Answer:
b and e
Explanation:
i got it correct in usatestprep :)
Answer:
barter trade
Explanation:
because you exchange goods
Its called adaption when an animal changes itself to be able to survive
Id say that the best answer is Loess. I say that cause loess means a loosely compacted yellowish-gray deposit of windblown sediment of which extensive deposits occur.
Hoped this helped ;)