Arrange the following subatomic particles in order of increasing mass: neutron, electron, and proton.

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves

Who was the first scientist to measure speed as distance over time?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects