Answer:
A newton (N) is the international unit of measure for force. One newton is equal to 1 kilogram meter per second squared.
In plain English, 1 newton of force is the force required to accelerate an object with a mass of 1 kilogram 1 meter per second per second.
Explanation:
I think b surface fronts but im not 100% sure
Coral provide the place for algae to grow on. Algae attract microorganisms for coral to feed from.
A plastic cup
I'm sure this is the answer