Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are longer than 35 centimeters. The biologists will select a random sample of crabs to measure. Which of the following is the most appropriate method to use for such an estimate?
A. A one-sample Z-interval for a population proportion
B. A one-sample Z-interval for a sample proportion
C. A two-sample Z-interval for a population proportion
D. A two-sample Z-interval for a difference between population proportions
E. A two-sample Z-interval for a difference between sample proportions

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.

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wegner's theory did not explain how the continents could move

explanation:

your answer is going to be physical weathering