Determine Whether the Claim in the Following Is Too Vague

question 305

Short Answer

Determine whether the claim in the following is too vague in the context that is stated or implied:Instructions for a lawn mower:"For best service,crankcase oil should be replaced at least once each season."

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Definitions:

Pyroclastic Flows

Fast-moving currents of hot gas and volcanic matter (collectively known as tephra) that move away from a volcano during an explosive eruption.

Eruption Column

A column of volcanic ash and gas that erupts into the atmosphere during a volcanic explosion.

Volcanic Mudflows

A fast-moving flow of volcanic materials, water, and debris known as a lahar, typically associated with intense volcanic activity.

Obsidian

A generally gray to black, shiny volcanic glass, usually of felsic composition.