Carbon dioxide is a waste product from breathing. Which organ of the body, which is attached to the trachea, pushes carbon dioxide out of the body?
A. liver
B. lungs
C. kidney
D. skin

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

Which best describes how parents affect the genotype of a child? a. the parents decide what to feed their child b. the parents choose whether to educate their child c. the parents allow their child to stay up late d. the parents pass along genes to the child

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?