Will give brainlest if correct

Apopulation has 1000 individuals. over a period of 1 year, 500 newindividuals are born. which equation shows how to calculate the birthrate ofthis population? a. 500 - 1000 = 0.5b. 1000 x 0.5 = 500c. 1000 - 500 = 2d. 1000 + 500 = 1500

Which would be the most useful source of evidence to support mcneill's contention?

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the: