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In Latin American countries, the use of wood and charcoal as major sources of energy has created an increase in
answered
Jan 5, 2018
Geography
high-school
7
votes
194k
views
Which statement best describes the function of arteries, veins, and capillaries in the circulatory system? A.Arteries generally carry oxygen-rich blood away from the heart; veins generally carry oxygen-depleted
answered
Dec 20, 2017
Biology
high-school
0
votes
203k
views
When carrying a passenger on a motorcycle the driver requires more time to
answered
Nov 18, 2017
Health
high-school
1
vote
31.9k
views
Denise finished the race in 5.93 minutes. Of Tara took 4.6 times as long to finish the race how many minutes did it take her to finish?
answered
Oct 1, 2017
Mathematics
middle-school
2
votes
155k
views
4 Which quantity represents the number of protons in an atom? (1) atomic number (2) oxidization number (3) number of neutrons (4) number of valence electrons
answered
Apr 16, 2016
Chemistry
high-school
1
vote
208k
views
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