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. _______ is a system in which both matter and energy flow into and out of the system. A closed system An isolated system An open system A dynamic system
answered
Jul 9, 2018
Biology
middle-school
3
votes
157k
views
What did the u.s. and great britain want to happen in eastern europe after ww2 what did the soviet union want?
answered
Jun 13, 2018
History
high-school
2
votes
57.4k
views
A chocolate chip cookie recipe requires two and one third cups of flour to one cup of chocolate chips. If three and one half cups of flour is used, what quantity of chocolate chips will be needed, according
answered
May 3, 2018
Mathematics
college
6
votes
31.6k
views
State the negation of the following statement: The sun is not shining.
answered
Jan 19, 2018
Mathematics
high-school
6
votes
63.2k
views
the Mississippi River is about 23/25 the length of the Missouri River. if the Missouri River is 2,540 miles long, how long is the Mississippi River?
answered
Jun 30, 2017
Mathematics
middle-school
2
votes
35.7k
views
Cost of a sled: $99.50 Markup: 95%
answered
Apr 7, 2017
Mathematics
high-school
5
votes
92.5k
views
In 1933, the Supreme Court struck down the National Industry Recovery Act, leaving workers
answered
Feb 24, 2017
History
high-school
5
votes
97.0k
views
What two partial products would you add to find 513 x 46
answered
Apr 6, 2016
Mathematics
middle-school
4
votes
171k
views
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