When an object such as a rock is dropped into water it disturbs the surface of the water waves form at the surface of the water
and travel outward from the point of the disturberance
1 answer:
So this isn't a question but thanks for telling me...? Next time ask a question pleaseeeee.
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Answer:
D. Calculate the variations in the potions of the star due to movement of Earth in its orbit
Answer:
look it up
Explanation:
Atomic mass / mass number / atomic weight
(all of which mean the same thing)
The answer is A. Permeability.
