Gold-198 is used to treat liver cancer. Its half-life is 2.7 days. If you ingest 3.75 mg of Au-198, how long would you have to wait for the amount of Au-198 to fall to 0.75 mg?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Explain what happens at the saturation point when adding salt to water at room temperature.