What hybridization schemes allows the formation of at least one π bond?

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

The slope of a velocity time graph over any interval of time gives the during that interval

For which pair of objects would adding the same a