Young humans can hear pitches between roughly 15 - 20,000 Hz, although this range shrinks with age. For dogs, the range goes from 40 - 60,000 Hz, and this again can shrink with age depending on the breed of the dog.
03:29, 12 December 2011
But Adam, how can young humans can hear pitches between 15 - 20,000Hz And humans from 20 - 20,000Hz?
10:13, 3 March 2012
Tarantulas are a type of arachnids belonging to the family ...
The thorax is the midsection (tagma) of a bee's body. It ...
The endangered dugong is the only southern African sea cow. ...
A chupacabras is an legendary beast/mammal. It's name is ...
Boa constrictor is a large, heavy-bodied species of ...
The basking shark is the second largest shark that lives in ...
프로젝트 관리자
베이징, 중국
0
Terms
4
용어사전
Followers
25
3
1
95
10
2
7
4 Terms
