Question

Amy is doing a science experiment on how a certain bacterium reacts to an antibiotic. She has 3 dishes of identical bacterium samples with 14 bacteria in each dish. She gives an antibiotic to all of the bacteria in one dish. All of the treated bacteria died, and the bacteria in the other two dishes survived.

Is there a sampling bias in the situation above?
A.
No. All 3 dishes are filled with the same number of identical bacteria.
B.
Yes. The antibiotic may not work on the other bacteria.
C.
There is not enough information.

Answer 1

the answer is A please give me hearts and stars because it is correct.

Explanation:

it is easy you just mark out the ones you know that is wrong and you are left with the answer a which is very correct.