<span>The correct answer is B. - It would take a ray of light 10.5 light years to travel from Earth to Epsilon Eridani, or vice-versa. Using our current technology it would take far longer than 21.0 years for a space ship from Earth to travel that far - I would have to guess many hundreds of years.</span>
Answer:
it is light
Explanation:
the arrow that says light is on the glass it must be near from tungsten
Answer:
c
Explanation:
all the others r physical
