Iceland and New Zealand are two places in the world where geothermal energy provides a cost-effective energy resource because these countries have an active volcanic area.
Geothermal- Geothermal energy is a kind of energy that human gets from the heat of the earth. This is a kind of renewable energy because the earth produces a large amount of heat.
The high temperature of the interior makes the rocks melt and the molten rock comes into the crust of the earth in the form of lava.
Iceland and New Zealand are the two places where so many active volcanic areas are available. This makes new Zealand and Iceland the most cost-effective places on earth for the generation of geothermal energy.
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Rocks cooled down in the ocean so that lead to islands and different formations
<span> c. Relations between Belgium’s two ethnic groups improved after the country gained its independence from the Netherlands in 1830.
</span>The statement which is not true is that relations between Belgium’s two ethnic groups improved after the country gained its independence from the Netherlands in 1830 because it is true that both French and Flemish are official languages of Belgium, as it is true that about 30 percent of all Belgians speak French, while about 55 percent speak Flemish. <span>The Belgian government has passed laws to decentralize its government. is also a true statement, leaving only c as possible response.</span>
Answer:

Explanation:
Given

See attachment
Required
Find 
To do this, we make use of the following theorem
--- angle at the center and angle between two tangents add up to 180 (i.e. they are supplementary angles)
So, we have:

Collect like terms


A wall stands using gravity. It is constantly being pulled down. Many also place them in ways that they dig into the ground, and almost make a socket just for the wall to be placed, using the land that is there. More and more walls are placed and eventually, they make flooring and a roof.
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