Answer:
Depending on the amount of liquid he has, he can use it to fill each test tube. he can do 8 orders per test tube :D
Answer:
I dont know for sure, but I would say B.
Explanation:
I say B, because across continents there have been numerous fossils found with different ages. You can even look up case studies, but the answer might not be B, its just a guess.
The answer for sure is A arctic circle