Answer:
They are written or edited by anyone
Explanation:
Friction- the external force that acts on objects and causes them to slow down when no other external force acts upon them.
Answer:
kinetic energy + potential energy
4. Grass - Caterpillar - Hedgehog - Fox
5. Caterpillar, Rabbit, Mouse.
6. Cougar and Fox.
7. Bacteria
8. The bird, hedgehog, Fox and cougar would be effected since the Hedgehogs and birds would soon die out due to the loss of their food. Once they die out, the cougar and Fox would have no predators left to eat.