Sort:  

Did you hear that? Sound frequency is measured in Hertz (Hz). The higher the Hertz, the higher-pitched the sound. Dogs hear best at 8,000 Hz, while humans hear best at around 2,000 Hz.

Congratulations @healthypets! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) :

You published more than 70 posts. Your next target is to reach 80 posts.

Click here to view your Board
If you no longer want to receive notifications, reply to this comment with the word STOP

To support your work, I also upvoted your post!

Support SteemitBoard's project! Vote for its witness and get one more award!