Steam Engine. so your answer is A
a. compression causes upward vertical movement
Answer:
2 is your answer i believe
Explanation:
Answer:
Honestly, I think that all of them are equally important, they all have things about them that make them important and they all play a role in the survival of humanity and other organisms! So if u can put all of them, I think it would be the right answer!
<span>B. they needed access to bodies of water for trade
Water and aquatic access was necessary for water as well as access to trade.
Hope this helps :)</span>
