Who down to eat me out?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

Which characteristics can be used to differentiate star systems? check all that apply.

In a copper wire, a temperature increase is the result of which of the following