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Isotopes ____________ the atomic mass of an element because they have a ____________ number of neutrons. a. disregard, constant c. increase, lower b. increase or decrease, different d. decrease, higher
asked
Nov 23, 2017
Chemistry
high-school
2
answers
2
votes
52.1k
views
The South and the Middle Atlantic states were the major production areas in the United States in the early 1900s.
asked
May 20, 2017
History
high-school
2
answers
3
votes
223k
views
I need it ASAP! Will ran 3.23 km the first week and 4.15 km the second week. Chuck ran 8.75 km in two weeks. Round each distance Will and Chuck ran to the nearest tenth of a kilometer. Then estimate. About
asked
Jan 2, 2017
Mathematics
middle-school
1
answer
0
votes
138k
views
Which word in the following sentence should be capitalized? “What is the homework for math class tonight, professor?” [L.8.2.c] A. homework B. math C. class D. professor
asked
Jun 3, 2016
English
high-school
1
answer
0
votes
81.4k
views
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