Questions by Zonyang

Questions by Zonyang

Our study efforts should focus on whatever subject is most In need of improvement

asked Aug 5, 2017

2 answers

5 votes

158k views

Which of these assumptions is Ptolemy's model of planetary motion based on? The sun moves around the earth. The earth moves around the sun. The stars do not move. The earth is flat.

asked Mar 15, 2017

2 answers

4 votes

105k views

Which of the following cellular materials is solely composed of DNA and proteins? Golgi complex mitochondria ribosomes chromosomes

asked Jul 14, 2016

1 answer

2 votes

160k views

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