Explanation:
Positive feedback loops induce/amplify change whereas negative feedback loops reduce change
The answer is E, it isn’t considered a fetus until the 9th week after conception
He could race multiple cars with different weight added on them and do multiple races (just to be sure) and see if his theory was correct, if not he should right down what he has learned from his experience! :D
-You'll never learn if u don't try ;)
NaOH is not a compound because it contains three instead of two.
