What statement describes how light travels from a source

OK Light travels from the stars to the earth through he vacuum of space so A&B are out

Also scientists have measured the speed of light of stars traveling towards and away from the earth at fantastic speeds and always get exactly the same answer. Determining that the speed of light is constant.

Explanation: Answered this question last week.

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.