According to most sources, the human hearing (frequency) range is between 20 Hz and 20,000 Hz (bats can hear up to 100,000 Hz!). What does that mean? Sound is a mechanical wave that propagates through a medium (air, water), and the frequency of a sound wave determines its tone and pitch.
A male dog can mate when he's 6 months and older. For females, it's best to wait until they are 2 years old. That way there is less of a chance of miscarrage and she'll have m â¦ ore time to mature and be physically ready for puppies.
Solovyova Lyudmyla / Shutterstock. Dogs age at different rates compared to humans, but the simple rule of 7 dog years to 1 human year is far from accurate. If humans aged seven times slower than dogs, then many of us would be able to reproduce at age 7 and live to be 150. Obviously that's not the case. The reason that dogs can reach full sexual maturity after only a year is that our canine friends age faster during the first two years of their lives than humans do.