B. Deep currents are driven by density differences, while surface currents are driven by wind and Earth's rotation.
Hydroelectric energy
Explanation:
In a dam area, the most likely energy resource would be an hydro-electric energy source.
Here the dammed water is used to produce electricity by forcing turbines to rotate.
- Hydroelectric power stations are sited near huge water bodies especially a dam.
- The moving water is used to drive heavy turbines that been designed to move electricity.
- An area with huge amount of water has immense potential to generate hydroelectric power.
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The correct answers are:
- half;
- 415;
South America is a continent that has a steady rise in its population. It has around 415 million people and if the trend of rise continues, very quickly the continent will reach the mark of half a billion people.
The biggest, and also the most populous country in South America is Brazil. Brazil has an estimated population of around 209 million people, and it is growing population. Brazil's population accounts for approximately half of the population on the continent.
Answer:
Due to the impact of its cultural and political achievements during the 5th and 4th centuries BCE
Explanation:
White fur not only provides camouflage in winter but adds warmth. A pigment called melanin, absent in white fur, gives the fox its brown summer coat.
<h3>
What is camouflage?</h3>
Camouflage is a defense mechanism or tactic that organisms use to disguise their appearance, usually to blend in with their surroundings.
The hair shafts of white fur are hollow, trapping warm air from the animal's body heat and acting as insulation much the same way as a down coat does for a human wearer.
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