Which of the following statements about the planets is not true?

a. mercury has a greater eccentricity than venus
b. uranus has the smallest mass of the outer planets.
c. neptune has the shortest rotation period of any planet.
d. earth is the most dense planet.

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration