Answer:
The magnetic field of Earth is caused by currents of electricity that flow in the molten core. These currents are hundreds of miles wide and flow at thousands of miles per hour as the earth rotates. The powerful magnetic field passes out through the core of the earth, passes through the crust and enters space.
Explanation:
Answer:
Globalization.
Explanation:
Globalization is the result of the improved communication technology and greater economic interdependence of different countries over each other. But the term is used in a wider perspective in the modern world as it is not the exchange of commodities but also include people across national boundaries and cultures.
Answer:
They were used to support infantry help cross trenches. Because of their armor and speed, they were not really that effective, however they did scare the enemy. The tank was first employed by the British in 1916.
