Answer:
Frictional Force: Frictional force is the force caused by the relative motion of two surfaces that come into contact with each other.
Answer:
the first one answer is no
Answer:One star can't light up a whole universe
Explanation:It is like saying one light can feel up the whole town which it can't do.
C is what i always have so ima go with C.
I know I'm a bit late but just in case you still need some of the answers.
1: Oxygen
2: Change in shape
3: Water breaking down into hydrogen and oxygen
4: I think it's Milk but I might be wrong.
I might be wrong about some of them, sorry it's not much.