What is the calvin cycle? a) a series of light dependent reactions b)a series of light independent reactions. c) light dependent and light independent reactions d)another name for the production of chloroplasts.

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

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)