Simplify the Expression

question 243

Multiple Choice

Simplify the expression. Write the final answer using positive exponents only.

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Definitions:

Continental Collision

The process where two continental plates collide, leading to mountain building, earthquakes, and the formation of new crustal features.

Tibet

A region in Central Asia covering the Tibetan Plateau, known for its high altitudes and significant cultural heritage.

Crustal Thickness

The measure of the thickness of Earth's crust, which varies between the oceanic and continental crust.

Volcanism

the process through which magma and volcanic gases are expelled onto the Earth's surface, forming volcanic features.