(multiple choice) daytime temperatures on mercury are extremely hot because: it has long days it has volcanoes one side faces the sun it is close to the sun it gives off internal heat

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

How does the nervous system affect the excretory system?

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above