The Primary Driving Force Behind Winds, Ocean Currents, and the Global

question 29

Multiple Choice

The primary driving force behind winds, ocean currents, and the global water cycle is

• A) Earthʹs magnetic field.
• B) geothermal heating from beneath Earthʹs surface.
• C) heat produced by the sun.
• D) Earthʹs rotation.
• E) the gravitational pull of the moon.

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Definitions:

Oligotrophic Lake

A lake characterized by low nutrient concentrations, which typically supports little aquatic plant life.

Invertebrates

Animals that lack a vertebral column, including species such as insects, crustaceans, and mollusks.

Decomposers

Organisms, such as bacteria and fungi, that break down dead or decaying organic matter, recycling nutrients back into the ecosystem.

Low Oxygen

Conditions where the level of oxygen in an environment is below the necessary threshold to support most life forms.