Answer:
the 4th one
Explanation:
kinitc energy formula is1/2mv^
there is mass ,and velocity (speed)
I hope it help
Stars that form shapes, or are connected together.
<span>A) elements and compounds.
Compounds are two combined elements.</span>
Density= mass/volume. volume= 12 x 6 x 10. 415/720=.57g/cm^3