The answer is : randomization was not used in sample selection. The major difference between experimental and quasi-experimental designs is lack of randomization in sampling selection.
Answer:
It controls opening and closing movements of the stomata, but that isn't one of the answer choices.
Explanation:
Answer:
I think that the answer would be D
I believe it would be 780 million km.
5.2 AU times 150 million km.
hope this helps