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.
Ephemerals - wildflowers and weeds
Trees in the rainforests store CARBON DIOXIDE. The trees absorb CO2 and therefore when they are cut down, they release the stored CO2 into the atmosphere which contributes the climate change. The correct answer to this question is letter "B. Carbon Dioxide". I hope this helps.
The last one...the species is unable to reproduce in any habitat beyond a population of 300 individuals
Answer:5 hours
Explanation: 60 times 5 equals 300
(im in 7th grade answering this lol)
