ISA Certified Arborist Practice Exam 2025 - Free ISA Arborist Practice Questions and Study Guide

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What is the process of chemicals being washed out through the soil called?

Fertilizer Analysis

Leaching

Leaching is the correct term for the process of chemicals being washed out through the soil. This occurs when water moves through the soil and carries dissolved substances with it. Fertilizer analysis, evergreen, and urea-formaldehyde are all incorrect choices because they do not accurately describe this process. Fertilizer analysis refers to the testing and analysis of fertilizers, while evergreen is a type of tree. Urea-formaldehyde is a type of resin, which is not related to the process of chemicals being washed out through the soil.

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Evergreen

Urea-formaldehyde

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