Astronomy***
the stars are located with respect to the celestial sphere?
a. on the inside surface
b. at the center
c. beyond the outside surface
d. between the inside surface and the center

In which of the following is positive work done by a person on a suitcase

The particles that are found in the nucleus of an atom are

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.