Sound Waves: High Pitch and Low Pitch
Brenda Kovich
on January 22 2019
1,992 Views
Share SafeView
or scan to share
![]( "Click Me to Enlarge")
Launched as a beta version in 2009, SafeShare has gained popularity as the safest way to watch and share YouTube and Vimeo videos, and is widely used all around the globe by educators so their students can watch educational material without the fear of inappropriate videos showing up.