Answer:
D. the vast majority, more than 75%
Explanation:
Every country in Southern America has at least one city which has a metro population of more than one million. The biggest cities in South America are Bogota, Rio de Janeiro, and Buenos Aires. These cities have over a hundred million people living in them combined. This makes South America the most urbanized continent in the world, and it shall continue for the fact that people from villages want to come to major cities for opportunities.
Answer:
The Great Plains undergo changes from one year to another. These changes are determined by the production of floods, the accumulation of sediments or changes made by man (dams, construction of dams, gravel pits).
The Rocky Mountains shrunk annually. External factors (water, air, wind, freeze-thaw process) cause changes in the structure of the rocks and so there are changes in the mountain landscape.
Answer:
Wave energy is unique because it is the most concentrated form of renewable energy on earth, with power density much higher than that of wind and solar energy. ... As waves can travel for hundreds and even thousands of kilometers with virtually no loss of energy, they act as an energy reservoir charged by the wind.
Answer:
C
Explanation:
The water cycle is powered by heat from the Sun that allows water to change phase. Solar heating causes surface water to evaporate and join the atmosphere as water vapor. The water vapor then condenses to form clouds and, depending on the height of the clouds and the latitude, falls as solid or liquid precipitation back to the surface.
Without solar heating, all the water on Earth would freeze solid and there would be no atmosphere or rain.
Answer:
Longitude lines are used to measure east and west.
