The half-life of carbon-14 is approximately 5,700 years. using this information scientists have been able to determine the age of some artifacts left by humans. a scientist wants to know approximately how old a piece of wood was that she found on the floor in an old cave that had recently been discovered. if the wood had gone through 3 half-lives, about how old is the wood?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Solutions to environmental problems in europe must

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species