The cells that secrete the fibers in ground substance in both dense and loose connective tissue are known as

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 type of respiration takes place when there is no oxygen present

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute