would an electron have to absorb or release energy to jump from the second energy level to the third energy level

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully