Answer:
Zero (0)
Explanation:
A horizontal line will be no movement of negative of positive acceleration
The answer is A. waterfall
To be considered as an engine , it should be a Man-made objects that could be used to produce power that creates motions.
From all the options above could be used to produce such power, but the waterfall is not made by mandkind
Answer:
ummmmmmmmmm through science??
B because the mantle is farther down in and a egg has more of the hard stuff inside