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Answers by Xuchunyang

Answers by Xuchunyang
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Question 2: The number of protons plus the number of neutrons in an atom is equal to its A. atomic number B. mass number C. nuclear model D. energy level
answered Oct 12, 2021
2 votes
162k views
How did the concepts of zero and the decimal system affect mathematics? O These concepts confused many mathematicians. O These concepts were lost after the Gupta Empire fell. O These concepts made multiplication
answered Sep 22, 2021
3 votes
216k views
Two two-digit numbers, 'AB' and 'BA', sum to produce a three-digit number in which the second d igit is equal to A. The addition is represented below. (Note that the variables are used to represent individual
answered Jul 2, 2021
4 votes
8.2k views
Describe what is happening in each of these photos PLEASE HELP
answered May 18, 2021
3 votes
9.1k views
Examine the diagram of a cell. Which accurately labels the lysosome?
answered Apr 18, 2021
3 votes
202k views
What sea is located at 35° N, 123° E
answered Feb 14, 2021
4 votes
139k views
Lizbeth is writing a report that gives information about sea otters. Choose the best punctuation mark for her to use at the end of this sentence. "Sea otters eat clams, crabs and snails___" * 1 point
answered Feb 11, 2021
3 votes
75.4k views
20 points since I need the 6 fast!
answered Jan 28, 2021
3 votes
106k views
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