A common rock type found within oceanic crust is called basalt rocks. It is dark just like an igneous rock and it is basically a type of lava from a volcano.
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Newton's 2nd law of motion says: <u>Force= (mass) x (acceleration)</u>
You know the force and the mass, and you need to find the acceleration.
So divide each side of the formula by (mass).
Then you have:
(force) / (mass) = acceleration .
Write the quantities that you know in their places,
and bada-bing, out falls the answer you need.
They eat the wild life and mess up the food chain, plus they could harm people.