I believe the photosphere which is the bright surface of the sun that we see
The answer is 6.
4=x-2
x=2+4
x=6
Pure substance has a definite and constant composition-like salt or sugar. A pure substance can be either an element or a compound, but the composition of a pure substance doesn’t vary.
Mixtures are physical combinations of pure substances that have no definite or constant composition — the composition of a mixture varies according to who prepares the mixture.
I agree with Todd. One time when we went to the beach this happened and the waves brought back the ball so…
:) (can you mark me brainliest?)