Considering All Major Biogeochemical Cycles, the Human Input Is

question 23

Multiple Choice

Considering all major biogeochemical cycles, the human input is

• A) never likely to be important.
• B) insignificant.
• C) making major alternations in most cycles.
• D) is several times larger than the natural fluxes of mass and energy.
• E) limited to the carbon cycle.

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Definitions:

Gastrologist

A gastrologist, more commonly referred to as a gastroenterologist, is a physician specialized in diagnosing and treating diseases of the gastrointestinal tract and liver.

Osteoarthritis

A type of arthritis that occurs when flexible tissue at the ends of bones wears down, leading to pain, swelling, and reduced motion in joints.

Leukemia

A cancer of the blood and bone marrow, defined by the overabundance of irregular white blood cells.

Singular

Referring to a single unit or individual element, as opposed to multiple items or a group.