Which statement describes the limitations of the geocentric model?

A. The model cannot explain why the Sun and other stars appear to move the same way across the sky.

B. The model cannot explain why the Sun and other stars appear to go backward and make loops in the sky.

C. The model cannot explain why planets appear to move the same way across the sky.

D. The model cannot explain why planets appear to go backward and make loops in the sky.

D. The model cannot explain why planets appear to go backward and make loops in the sky.

Explanation:

As an example, the observation of the planet Mars shows that there are times where it seems to be moving forward at first, then back, and then forward again. If Earth were the center of the the universe, then everything would have been revolving in one direction. Although they tried to back up their theory by assuming that planets moved in their own epicycles, it was explained that Mars seems to be moving backwards because the Earth had a smaller orbit than Mars, so at times, it would pass Mars, which has not yet completed that section of the orbit. When Earth then completes its cycle around, it will find Mars again ahead of it, moving forward.

paper covers rock.

explanation:

rock only smashes scissors.

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.