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Biology, 22.06.2019 23:00
Nitrogen-14 and nitrogen-15 are isotopes of the same element. how do these two isotopes differ? a. they have different numbers of nuclei. b. they have different numbers of protons. c. they have different numbers of neutrons. d. they have different numbers of electrons.
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Biology, 23.06.2019 00:50
What percentage of organisms is played the dominant trait (tall) in the f2 generation? a.25% b.100% c.75%
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Biology, 23.06.2019 01:30
After dinner with his brother, charles darwin looked through a book by thomas robert malthus, who believed that humanity, if unchecked, could double its population size in 25 years . why then , wasn't the earth overrun with humans at this point ? how does this relate to the stoning of the darwin's carriage?
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Geetha is 13 years old. she weighs 60 kg and is 4 feet and 2 inches tall. what is geetha’s bmi and w...
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