Why do plates move away from the mid - ocean ridges?

You are standing on a skateboard, initially at rest. a friend throws a very heavy ball towards you. you can either catch the object or deflect the object back toward your friend (such that it moves away from you with the same speed as it was

Wooden ball lies in a vessel with water so that half of it is immersed in water. With what force does the ball press on the bottom of the vessel if the mass of the ball is = 2 kg, the density of the tree is _д =

If the speed and mass of an object are doubled, which of the following is true? A) The momentum of the object is doubled B) The kinetic energy of the object is doubled C) The momentum of the object is quadrupled D) The kinetic energy of the object

lighting and thunder accour at the same time yet we see the flash of lightning before we hear the clap of thunder what does this indicate about the speed of light compared with the speed of sound

Which of the following statements best describes a covalently bonded material? A. It is a conductor. B. It is an insulator. C. It readily allows electricity to flow. D. It contains delocalized electrons.

A paragraph that can serve the specific purpose of creating a special effect within the essay is called? a. paragraph block b. functional paragraph c. unified passage d. topical paragraph

What are the steps that produce electricity from this fuel

Adrian read about a new antimicrobial in a popular magazine. The advertisement claimed that the product Bactokil prevents bacterial growth. So, Adrian conducted a controlled experiment to test the product claims.

A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5 m/s) in the first 15.0 m of the race. what is the average acceleration of this sprinter, and how long does it take her to reach that speed?

How are primary and secondary succession similar and how are they different?