Please Help chemistry WORK

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

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

What element has similar physical and chemical properties as boron.