When the statement is given that 'this layer is 225 million years old, it is an
example of
relatige dating
absolute dating

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 !

meiosis is the correct answer

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

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