Biology, 14.11.2019 19:31, magicalpenguin48
You attend a geology lab where you are asked to estimate the age of a fossil. the ratio of parent to daughter elements in the fossil sample is 1: 7. you know that fossils are the remains of living organisms, which have some amount of c-14 isotope. the c-14 isotope, which has a half-life of 5730 years, begins to decay as the organism dies. what would be your estimation of the fossil's age?
a. 2865b. 17,190c. 5730d. 11,460e. 40,110f. 22,920
Answers: 1
Biology, 22.06.2019 03:00, brianfranklin17
Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.
Answers: 2
Biology, 22.06.2019 05:30, 100738
Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim
Answers: 1
You attend a geology lab where you are asked to estimate the age of a fossil. the ratio of parent to...
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