If Fire Is Suppressed in Forests That Naturally Experience Frequent

question 60

Multiple Choice

If fire is suppressed in forests that naturally experience frequent fires,

• A)nutrient recycling improves.
• B)grasses are more abundant.
• C)pines and redwoods are more abundant.
• D)the frequency of crown fires increases when fire does occur.

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Definitions:

Carbon

A chemical element with symbol C, essential to all known life, capable of forming a vast number of compounds including organic compounds.

Valence Shell

The outermost shell of an atom containing the electrons most likely to participate in chemical reactions.

Neutral Solution

A solution of pH 7; there are equal concentrations of hydrogen ions [H+] and hydroxide ions [OH-]. Compare with acidic solution and basic solution.

Valence Electrons

The outermost electrons of an atom, which determine its chemical bonding properties.