What factors caused the shape and structure of earth?

Electromagnetic waves with the highest energy have what?

Rewrite Newton's first law of motion in your own words.

Which of the following does NOT support the geologic evidence used to date the earth? Fossils found in rocks. The layering in rock formations. Comparing the anatomy of organisms. The radioactive dating of rocks.

Two football players each applied 100 n of force to sack the qb and move him 3 meters downfield. How much work was done?

How do i explain to kids how much water on earth is drinkable?

A change from one form of energy into another is called a. gravitational potential energy. b. work. c. conservation of energy. d. an energy transformation

4. An airplane must achieve a velocity of 71 m/s for takeoff. If the runway is 1000 m long, what must the acceleration be?

As the average kinetic energy of the particles in a gas increases, which of the following occurs?

Power=170 watts time=20 seconds

What is the charge of alpha, beta and gamma rays?