Research shows that continents move at an average rate of 2.3 cm per year. Which two theories could be supported by this evidence?

Raisin theory
Expanding Earth theory
Contracting Earth theory
Theory of continental drift
SUBMIT

Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)

Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight

Abowling ball rolls 32 meters in 0.8 seconds what is the average speed in m/s of the bowling ball in m/s