True or false a homogeneous mixture is a mixture in which it is difficult to distinguish the substances from one another

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

What is the standard unit of measure for acceleration?

Stage in which a star’s outer layers have started to cool and grow outward?