David looks up at the sky several times one night. He notices that the stars appear to move across the sky. Why do the stars appear to move? A. The Moon changes position in the sky.
B. The Earth is rotating on its axis.
C. The Moon moves with the stars.
D. The Sun orbits the Earth.

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

According to research, which of the following statements reflecting the relationship between emotion and the prefrontal cortex is false? select the best answer from the choices provided the prefrontal cortex to regulate one's emotional response. the prefrontal cortex is activated when processing information associated with stress. sensory input indicating emotion first enters the prefrontal cortex before traveling to the amygdala. the prefrontal cortex processes information associated with emotional pleasure.