A) Expanding. We know this because it has a similar effect with sound. When a car goes by the pitch gets deeper and deeper. It's because you're receiving less waves. Same thing for light but instead of a pitch it's light, and the farther spread the waves - the redder, the closer and more contracted - the bluer
Answer:
opposite the sun. between the Earth and the sun. rising perpendicular to the sun.
Explanation:
Yes, in general, metalloids are slightly reactive.
