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2 years ago

What are the sources of the energy that drives the earth’s processes?

Geography

1 answer:

Anna71 [15]2 years ago

6 0

Answer:

Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.

Explanation:

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Which line of latitude runs through Australia?

Illusion [34]

Tropic of Capricorn.

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3 years ago

After the Solidarity labor union was outlawed by the government in 1981, the union _____.

MatroZZZ [7]

The correct answer is - remained a political movement.
The Solidarity labor union continued it's existence and remained a thorn in the eyes of the leading political parties, by constant monitoring of the situation in the market and labor, they very often made protests and occasionally riots, especially where the prices of the most important products were going up.

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3 years ago

Read 2 more answers

Please need help on this one

ahrayia [7]

Answer:

m<X = 30°

Explanation:

Given:

Right-angled ∆VWX

$VW = \sqrt{43}$

$VX= 2\sqrt{43}$

Required:

m<X

SOLUTION:

Apply the trigonometric ratios formula.

To know which of the trigonometric ratios formula to apply, identify which of the side is opposite, adjacent or hypotenuse given the angle of reference, X.

Side VW is opposite to <X,

Side VX is the hypotenuse.

Therefore, trig ratio formula to use would be:

Sine of the angle of reference = opposite side/hypotenuse

Thus,

$sin(X) = \frac{VW}{VX}$

$sin(X) = \frac{\sqrt{43}}{2\sqrt{43}}$

$sin(X) = \frac{1}{2}$

$sin(X) = 0.5$

$X = sin^{-1}(0.5)$

$X = 30$

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3 years ago

What is a free trade area?

ollegr [7]

The appropriate answer is b. a group of countries that have agreed to eliminate tariffs and trade barriers. Eliminating tariffs and other barriers to trading such as licensing creates a more trade friendly environment between the countries. Tariffs would normally increase the cost of exporting goods to other countries. All countries in the free trade area would benefit from such an arrangement.

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3 years ago

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Christmas cards are marked down 65% to final selling price of 3.5.what was the orginal selling price of the cards

UNO [17]

Answer:

$5.38

Explanation:

What we know:

- The Christmas cards had an original cost that was marked down by 65%

- The final selling price afterwards was $3.50

Let $x$ be equal to the original cost of the Christmas cards.