<u>Answer:</u>
Ptolemy accounted for 'retrograde motion' in his model of the solar system by introducing smaller circles named 'epicycles'.
<u>Explanation:</u>
- According to Ptolemy, the Sun and the other planets in the Solar system orbited around the Earth.
- The Greeks were convinced that Ptolemy's earlier model did not provide for backward or the retrograde motion.
- Ptolemy thought over it for a while and theorized the possibility of 'epicycles'.
- According to Ptolemy, the planets that orbited Earth also orbited another smaller point.
- The smaller orbits followed by the planets while in motion around the Earth in a larger orbit were introduced by Ptolemy as 'epicycles'.
- Until Kepler proposed his models of the functioning of the Solar system, Ptolemy's models were considered the most relevant.
Erosion, deposition, and weathering
Answer:
Local and unique ways of being are increasingly replaced by more homogenized and standard ways of being that are shared across cultures. The world seems smaller because with all of this global integration there is a sameness or familiarity no matter where you are.
The answer is B. Dry and desert-like.
The Sahara Desert rests upon the places north of the equator in Africa.
Answer:
Explanation:
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