Which best describes how the cardiovascular and respiratory systems work together?
o The respiratory system makes it possible for
the cardiovascular system to
make blood.
The respiratory system feeds gases into the
bloodstream to support the needs
of the body.
o The respiratory system takes gases out of
the blood so that no gases circulate
in the body.
The respiratory system helps the blood make
its own gases from scratch.

hey, i believe your answer would be d. sugar ribose and the base uracil. i believe this is the answer, because rna consists of sugar ribose, adenine, guanine, cytosine, and uracil.

your first option is incorrect, because that's dna. where it consists of sugar deoxyribose, adenine, guanine, cytosine and thymine.

your second option is also incorrect, this is because sugar deoxyribose is in dna, and uracil is in rna. these two do not make sense together.

your third option being incorrect, because sugar ribose is in rna, but not the base of thymine. rna consists of uracil, not thymine.

lastly your fourth option being correct! this answer is correct, because both sugar ribose, and the base uracil are in rna! ~

answer is d. sugar ribose and the base uracil.

d. groundwater flows through the subsoil and deposits minerals.