Photovoltaic cell converts light energy to electricity so ans is D<span>: Light excites electrons that create a current
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A trade barrier is something that stops countries from freely trading with each other (this can be as a result of conflict)
For example, In China and India, through wars, a gradual trade barrier has been created due to the fact that the countries are going through warfare tension
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Hawaii was made by volcanoes
It is in a warmer part of the earth (close to equator)
Lots of different culture.<span />
Answer:
Formerly the fourth largest lake in the world with an area of 68,000 km2 (26,300 sq mi), the Aral Sea began shrinking in the 1960s after the rivers that fed it were diverted by Soviet irrigation projects.
Explanation: