Asupernova remnant was observed in 2007 to be expanding at a velocity of 14,000 km/s and had a radius of 6.5 light-years. assuming a constant expansion velocity, in what year did this supernova occur?

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

gans

explanation:

vestigial organs (like your appendix) are organs that no longer serve a purpose.

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6