Which is not true about
mosses?
A. They create tiny crevices in the rocks
with acid.
B. They have microscopic structures which
anchor into the rocks
C. They create a small amount soil once
they decompose.
D. They have no flowers, stems, or roots.

a: the sheep and waste material both release carbon into the atmosphere.

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.

thinking it would be d not too sure but i think it's right