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Biology, 21.06.2019 14:30
Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)
Answers: 2
Biology, 21.06.2019 20:00
What are two reasons for why a species might disappear from the fossil record?
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Biology, 22.06.2019 01:00
Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?
Answers: 3
Biology, 22.06.2019 01:30
Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?
Answers: 2
1. How does carbon enter the soil?...
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