Ascientific theory can be incorrect but still be considered a good scientific theory. how can this be? a. a good scientific theory makes a testable prediction of what will happen, even if it is eventually proven wrong. b. only correct scientific theories are considered to be good. c. good scientific theories are sometimes incorrect, but they can still be accepted as true. d. scientific theories are accepted truth and no longer subject to testing for verification.

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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.

the answer is: metamorphic rocks often show the presence of fossils, also a

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-lavira: )

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.