How might scientists use the carbon-14 content to date the fossil? Why is carbon-14 used for fossils and uranium-238 used for rocks?

What is the mass of each element in a 324.8 sample of co2

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?