It's true IF ' m ' stands for mass and ' v ' stands for acceleration. Otherwise it's false.
Answer:
An outside force
Explanation:
Newton's law an object in motion stays in motion an object at rest stays at rest unless acted on by an outside force.
A nebula is gas, dust, and other things that form and form some sort of clould like thing. It also looks cool because of the colors it produces. I'm sure you could do a web search to find more about it, I don't take astronomy hahaha
Because a nuclear meltdown can be caused if systems fail.