Which of these substances contributes to soap's slippery texture?
o an acid
o a base
o carbonate
o water

Two things that biomedical has invented or innovated

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

What is the independent variable in this investigation? mass volume sample number substance density