Which of the Following Has Contributed Most to the Significant

question 127

Multiple Choice

Which of the following has contributed most to the significant increase in world trade since 1990?

• A) Removal of trade barriers
• B) Decrease in world population
• C) Decreases in income levels
• D) Increase in the quantity of natural resources

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Definitions:

Fissure

1. A fracture or crack on the land surface, such as that which forms by differential subsidence. 2. A magma-filled fracture in the subsurface that typically solidifies into a dike, or a linear volcanic vent erupting onto the land surface.

Volcanic Ash

Fine particles of rock and volcanic glass expelled into the air during a volcanic eruption.

Volcanic Rocks

Rocks formed from magma or lava that has cooled and solidified on or near the Earth's surface.

Magma

Molten rock beneath the earth's surface, which can form igneous rocks upon cooling and may fuel volcanic eruptions.