Based on the spectrums in the figure, rank the four galaxies in order of the speed with
which they are moving away from Earth, from slowest (1) to fastest (4).
Rank (1 = slowest, 4 = fastest)
Galaxy A
Galaxy B
Galaxy C
Galaxy D

How does litmus paper indicate an acid?

What substance has a mass of 9.5g and volume of 2.1cm^3

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.