The distances to nearby stars can be measured by using
a. absolute magnitude
c. color
b. temperature
d. parallax

Awic dietitian is meeting with a client who has an infant and a young child. the mother says that the young child is a very picky eater and will only eat crackers and juice. the health worker notices that the child's hair is brittle, his nails tear easily, and the skin inside his lower eyelids is very pale. these are all signs of iron deficiency.

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?