Are you looking to answer all the questions?
Answer:
They increase life expectancy and decrease population growth.
Explanation:
If less babies are dying and more families are able to raise them, then the population will flourish and more people will live to old age.
C, when you’ve sat still for a few minutes. Your resting heart rate is your heart rate when you’re not moving, so this would be the optimal time.
Cyan that sounds right to me.
Protection used during sex so neither party is infected with such like an STD.