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Air pollution is caused by A. the sun. B. heavy rainfall. C. human activities but not natural events. D. natural events and human activities.
asked
Jun 3, 2020
Biology
middle-school
1
answer
0
votes
221k
views
2n - n+5=3 help please
asked
Jul 4, 2019
Mathematics
middle-school
1
answer
5
votes
192k
views
Write an exponential function to model the situation.A population of 300 animals decreased at an annual rate of 22%
asked
May 21, 2019
Mathematics
middle-school
1
answer
5
votes
32.7k
views
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