Biology, 09.11.2020 14:00, simonthang8
Question 3 (1 point) (03.01 MC) The table below shows the half-life of an element: Half-Life Data Element Half-Life Uranium-235 700 million years Scientists have found that the Uranium-235 content of an unknown prehistoric sample was reduced to one-fourth. What best describes the identity of the sample? (1 point) a A stone artifact that formed 700 million years ago b A mammoth that died 1,400 million years ago c A cliff that formed 1,400 million years ago d A plant that died 700 million years ago
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Biology, 21.06.2019 16:00, juliaduenkelsbu
Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids
Answers: 2
Biology, 21.06.2019 20:00, vannia
!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.
Answers: 1
Biology, 22.06.2019 06:30, unknown6669
Is there any solid scientific evidence that humans have been cloned?
Answers: 1
Question 3 (1 point) (03.01 MC) The table below shows the half-life of an element: Half-Life Data El...
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