Answer:
I think you would multiply 20 × 4 and the answer would be 80 that the scientist counted the number of plants in each 4 sections after 20 days.
I think the answer is b i've never learned this sorry :(
Answer:
A
Step-by-step explanation:
Answer:
the moon blocks light from the sun by coming between the earth and the sun
(b1+b2)h+PH is the formula for surface area of a trapezoidal prism