Biology, 12.07.2021 05:30, montgomerykarloxc24x
The half life of uranium-235 is 4.5 billion years. If 0.5 half-lives have elapsed, how many years have gone by?
A. 4.5 billion
B. 9 billion
C. 2.25 billion
D. 4 billion ā
Answers: 3
Biology, 21.06.2019 19:50, hubbabubba0715
Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required
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Biology, 21.06.2019 23:50, sophiaa23
Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature
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Biology, 22.06.2019 05:00, perezshayla56
Iām stuck on this question cuz iām stupid sksksksk
Answers: 2
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