Who provided evidence for the excistenes of a nucleus in an atom

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

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

Is the time in tennessee the same as florida