Which statement describes all types of matter? A. It is made of carbon, hydrogen, and oxygen.
B. It is composed of organic materials.
C. It takes up space and has mass.
O D. It is made of proteins and carbohydrates,

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Why do german shepherds shed so much

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