Question

How large was Biosphere 2?

A.
1 acre
B.
3 acres
C.
10 acres
D.
25 acres

Answer 1

Your answer would be B

Step-by-step explanation:

Answer 2

B

Step-by-step explanation:

it was 3.14 acres but that is closest to 3 Acres so the answer is B

it says the ground was 40 Acres but that isn’t an option so i went with floor area which was 3.14 so i would say B