Why Can Volcanic Rocks Occasionally Contain Fossils

question 9

Multiple Choice

Why can volcanic rocks occasionally contain fossils?

• A) Lava does not melt bones.
• B) Volcanic ash, if builds quickly enough, can preserve the remains of organisms.
• C) Magma cools so quickly that fossils get trapped inside.
• D) Organisms were often attracted to volcanoes and fell inside them by accident.

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Definitions:

Standard Deviation

An indicator that quantifies the spread or variability among a collection of numbers, showing the extent to which these numbers differ from their average.

Mean

The mathematical mean of a collection of numbers, obtained by summing them up and then dividing by the total count of the numbers.

Mean Salary

The average amount of income earned by employees in a particular job, sector, or region, calculated by summing all salaries and dividing by the number of employees.

Skewed

A term describing asymmetry in the probability distribution of a real-valued random variable, indicating a deviation from the normal distribution.