The Fe and Mn Cycles Include

question 36

Multiple Choice

The Fe and Mn cycles include

• A) reduced and oxidized forms that are very chemically reactive.
• B) large reservoirs of solid mineral forms that are chemically inert.
• C) incorporation of Fe and Mn into the exoskeletons of diatoms and other alga.
• D) toxic forms that can poison aquatic ecosystems if the cycles are imbalanced.

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Definitions:

Wavelength

The distance between consecutive crests or troughs in a wave, often used to specify the type of light or radiation.

Brightness

The attribute of visual perception in which a source appears to emit or reflect a high level of light.

Sensory Adaptation

The process by which our sensory receptors become less sensitive to constant stimuli over time, allowing us to focus on changes in our environment.

Subliminal Stimulation

Involves exposing individuals to stimuli below the threshold of conscious awareness, which can subtly influence thoughts, feelings, or actions.