Chemistry, 27.05.2021 06:50, dianaskye9081
11. A fossil is found to contain 20.5g of carbon-14. Using radiocarbon dating methods, you determine the sample
originated very close to 17,190 years ago. If the half-life of carbon-14 is 5,730 years, what was the original mass of
the sample?
Answers: 1
Chemistry, 21.06.2019 23:50, kukisbae
How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
Answers: 1
Chemistry, 22.06.2019 04:00, amandasantiago2001
Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.
Answers: 3
Chemistry, 22.06.2019 08:40, jaueuxsn
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 23.06.2019 03:30, jennelledenise
Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral
Answers: 1
11. A fossil is found to contain 20.5g of carbon-14. Using radiocarbon dating methods, you determine...
Mathematics, 27.03.2020 18:03
Mathematics, 27.03.2020 18:04
Mathematics, 27.03.2020 18:04