When does bone mass peak for both men and women? ages 15 to 25 ages 25 to 35 ages 35 to 45 ages 45 to 55 ages 55 to 65?

answer: the dogs need to shift their focus to human scent.

its because the dogs being trained are for search and rescue thus they need to be able to track humans and their specific scent

most likely linear (proportionate)

step-by-step explanation:

as time increases heart rate increases