What drives plate tectonics in the earths interior

It took 2.5 hours for the bus to travel the distance between two cities at a velocity of 75.0 miles/hr. How many miles lie between the two cities?

Is adding sugar to lemonade a chemical or physical change

When you eat a candy bar, your body oxidizes glucose to get energy. where does this energy come from? kinetic energy of the glucose molecules chemical bonds within the glucose molecules work done on both oxygen and glucose molecules kinetic energy

In order for electrical current to flow through a solid

The MA of a wheel and axle can be calculated by the ratio of the radius of the wheel to the radius of the axle. If an axle has a radius of 2 in and the wheel has a radius of 6 in, what is the MA of the wheel/axle?

If the velocity of a moving object doubles, then what else doubles?

Which of the following dose not represent an adaptation that would lead an organism to be successful

Which set of conditions would produce the least favorable soil for growing crops?

A NASA explorer spacecraft with a mass of 1,000 kg takes off in a positive direction from a stationary asteroid.

What are the characteristics of air pressure waves that we hear as sound?