What is a star's emission spectrum?

it is the same as the hr diagram and gives the same information.
it is the fingerprint of all of the colors of light emitted by a star.
it is a graph of all the pollution given off by a star.
it is a graph of the star’s solar flares.

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

What volume would 2.25 moles of ne has occupy at stp?

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __