Gravity is slowing (or should be slowing) the expansion of the Universe.
True
False

Ocean waves move up and down in circles, but transmit horizontally toward the shore.

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Which of the follow describes a disadvantage secondary sources have compared to primary sources?