Answers by Chao Zhang
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Answers by Chao Zhang

Answers by Chao Zhang
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Artificially produced radioactive isotopes are used in medicine and medical research. Is this true or false?
answered Oct 4, 2023
8 votes
482k views
What is the distance from the moon to the sun?
answered Sep 2, 2023
30 votes
61.2k views
NO LINKS!! Please assist me with this problem Part 1m​
answered Jul 2, 2023
16 votes
460k views
Why is inches not used in the international system of units?
answered Mar 28, 2023
17 votes
220k views
Juanita is deciding whether to buy a skirt that she wants
answered Mar 22, 2023
17 votes
150k views
Please lend a hand I am very stressed out, thank you.
answered Mar 15, 2023
15 votes
385k views
What did ancient Sumerians house in ziggurats? A.Slaves and servants B.Government leaders C.Trade markets D.Religious shrines
answered Mar 3, 2023
10 votes
388k views
What were French explorers establishing along the St. Lawrence River and around the Great Lakes?
answered Jan 9, 2023
24 votes
476k views
Who were forced to begin the great wall under qin shi huangdi?
answered Nov 14, 2022
9 votes
515k views
Solve the formula for the given variable. -2x + 6 = -3x Help meee
answered Oct 6, 2022
18 votes
483k views
What is one reason historians can rely on government records for accurate historical information? A. because the information presented in government records has been verified by those who collect it B.
answered Sep 15, 2022
22 votes
21.0k views
Can you help me please?
answered Jan 16, 2022
19 votes
119k views
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