Light is not different. First sentence says "light can move through matter or through empty space."
Another half a million employees resident in Greater London work in manufacturing and construction, almost equally divided between both.
Business districts.
Domestic and international corporate headquarters.
Financial services.
Professional services.
Media.
Tourism.
Technology.
Retail.
We have several layers of crust but they separated because of the desity level differences. The lighter material cruet layers rose upwards and the heavier materials caused them to drop further down
Answer:
Headphones are small speakers that can be worn in or around your ears.
Explanation: