Earth has seasons because a. it rotates on its axis. b. the distance between earth and the sun changes. c. its axis is tilted as it moves around the sun. d. the temperature of the sun changes. select the best answer from the choices provided a b c d

The correct answer is option C.

Explanation:

The Earth has seasons because the rotational axis of our planet is tilted at the angle 23.5° with respect the orbital plane of our planet (plane of the orbit of the earth around the sun).

Hence, the correct answer is option C.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.