D. The location of the first battle of the American Revolution
Answer:
Radio-wave communications signals travel through the air in a straight line, reflect off of clouds or layers of the ionosphere, or are relayed by satellites in space. They are used in standard broadcast radio and television, shortwave radio, navigation and air-traffic control, cellular telephony, and even remote-controlled toys.
Explanation:
Answer:
American and Canadian railroads begin using four continental time zones to end the confusion of dealing with thousands of local times.
Explanation:
Greek were very connected to the sea. They took advantage of living by the sea. They were fishermen, sailors, traders and more.
All organized communities have government, leadership, form of currency or trade, and citizens, etc. Hope this helps.