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10
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The diagram shows fossils buried in layers of sediment.
Which statement is supported by the information in the
diagram?
V
The fossil in layer Z is the youngest.
The fossils in layers Y and Z are younger than the fossil
in layer V.
The fossilin layer Y is older than the fossil in layer W.
The fossil in layer X is older than the fossil in layer Z.
w
x
Y
Z
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the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

"d.) carbon dioxide and hydrogen sulfide"

i believe your answer would be c.. : )