What modifications did Kepler make to Copernicus’s model? Select two options.

1.Planetary orbits are elliptical.
2.Planets closer to the Sun move faster.
3.Planets spin in an epicycle while orbiting Earth.
4.Venus has phases due to its orbiting of the Sun.
5.Earth’s rotation causes the rising and setting of the Sun.

The modification Kepler made was 1,and 2. sorry for the late answer.

Explanation:

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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