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Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. What is the BEST explanation of the relationship between wavelength and wave energy?
answered
Dec 10, 2017
Physics
high-school
1
vote
131k
views
Is 87 a prime or composite
answered
Dec 6, 2017
Mathematics
high-school
1
vote
197k
views
at kingston middle school, 600 students were asked if their families recycle cans and/or newspapers. 32% said they recycle both; 25% said they recycle cans; 19% said they recycle newspapers; 24% said they
answered
Oct 16, 2017
Mathematics
high-school
2
votes
174k
views
Compare 51.5 hectograms to 51,500 decigrams. How do each of these values compare to a gram and which represents a larger mass?
answered
Aug 26, 2017
Mathematics
middle-school
1
vote
183k
views
Write a common denominator for 1/4 and 5/6
answered
Jun 13, 2017
Mathematics
middle-school
3
votes
142k
views
The probability of a particular event is 3/8 what is the probability that the event will not happen
answered
Dec 4, 2016
Mathematics
middle-school
4
votes
112k
views
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