Protect yourself by following these steps: Treat all blood and body fluid spills as if they were infectious. When providing first aid or CPR, protect yourself first, then treat the victim second. Wear appropriate personal protective equipment: gloves, goggles, etc. as required by the accident.
It is A. Clay ....sand is not it
A testable question is something you need data for, ex: if i bounce a bouncy ball from larger heights, how high will it fly? it can't be just a regular yes or no question
Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.
