How Much of the Water on Earth Do Scientists Think

question 12

Multiple Choice

How much of the water on Earth do scientists think was delivered by comets?

• A) none
• B) a minor amount
• C) a major amount
• D) all of it

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Definitions:

Encoding

The initial learning of information; the process of transforming what we perceive, think, or feel into an enduring memory.

Practical Intelligence

The ability to solve everyday problems through the use of experience-based knowledge, rather than theoretical reasoning.

Encoding

The process of transforming information into a format that can be stored in the brain; a crucial step in the process of creating new memories.

Mental Age

A measure of a person's intellectual development relative to people of their chronological age, indicating how far they have progressed in their cognitive abilities.