How do I add questions?

What is the bottle's speed, as a percentage of the ball's incoming speed?

Which statements describe continental crust? select the three correct answers. a-it is formed in all parts of the continents. b-it is made mostly of volcanic rock. c-it is destroyed by melting near the top of the mantle. d-it is less than 10 km thick. e-its ages ranges from very young to more than 4 billion years old.

Which allows college students to work part time jobs to pay for educational expenses