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What evidence is there that American children are becoming increasingly obese?
asked
Jun 3, 2017
Health
high-school
1
answer
3
votes
98.6k
views
The remains of these form oil and natural gas nonrenewable resources renewable resources methane hydrates marine organisms petroleum nonliving resources
asked
Jan 6, 2017
Biology
high-school
2
answers
3
votes
51.9k
views
In addition to being necessary for respiration, _______ also provides UV radiation protection. A. carbon dioxide B. water C. oxygen D. hydrogen
asked
Sep 6, 2016
Biology
high-school
1
answer
0
votes
36.4k
views
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