I believe the best way of separating the mixture of oil and water is by using a "separating funnel"
http://www.gcsescience.com/e-separating-funnel.htm
for more information see link
They adapt to their surroundings to help stay alive.
Answer:
prokaryotes and eukaryotes i think
Explanation:
The answer is A) the mantle
The correct answer is actually A) The block would have friction and a dynamic cart could be used.
I have a screenshot attached.
Hope that helps!
Good luck! :)