Which of the Two Main Volcanic Gases Is Heavier Than

question 3

Multiple Choice

Which of the two main volcanic gases is heavier than air,collects in low areas,and can asphyxiate people or animals if it is in high concentrations?

• A) water vapor
• B) hydrogen
• C) carbon dioxide
• D) ethane
• E) helium

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Definitions:

Increased

A term denoting a situation or quantity that has grown or become larger or greater in size, volume, number, or degree.

Negatively Related

A term describing two variables that move in opposite directions, where an increase in one leads to a decrease in the other.

Slopes Downward

Describes a line or curve on a graph that decreases in value as it moves from left to right, indicating a negative relationship between two variables.

Curve

A line on a graph, which may be curved or straight, that depicts a relationship between two variables.