What Is One Characteristic of a Surface Fire in a Forest

question 90

Multiple Choice

What is one characteristic of a surface fire in a forest? 

• A) Wildlife and mature trees are harmed by surface fires. 
• B) Surface fires lead to more destructive fires. 
• C) Surface fires release minerals that are locked up in vegetation. 
• D) Frequent surface fires increase the chance that a severe crown fire will occur.

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Definitions:

F-Distribution

A probability distribution that arises in the analysis of variances for comparing sample variances.

Degrees of Freedom

Defines the number of independent values or quantities that can vary in an analysis without breaking any constraints.

Two-Sample T Test

A statistical analysis used to compare the means of two independent samples to determine if there is a statistically significant difference between them.

Pooled Estimate

A method to estimate a combined variance from two or more groups that assumes the groups have the same variance.