Which of the following is true concerning natural resources? a. natural resources are not recycled. b. natural resources are only inorganic. c. they are part of natural processes. d. they only incorporate one form of matter.

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

Describe the two types of vascular tissue

Which hormone is used by both males and female?