The heliocentric system gained support when Galileo observed that Group of answer choices Venus goes through phases similar to those of Earth’s moon. the orbit of each planet is an ellipse. most of the smaller planets are closer to the sun. one side of the moon always faces Earth.

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a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

what? are the statements?