Which Function Would You Use to Get the Number of Elements

question 19

Multiple Choice

Which function would you use to get the number of elements in a dictionary?

• A) size
• B) length
• C) len
• D) invalid code

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Definitions:

Varves

Thin, alternating light-colored and dark layers of sediment that form in lakes because of seasonal variations of deposition and biologic activity.

Ice Cores

Cylinder-shaped samples from ice sheets or glaciers that scientists study to understand past climates.

Tree Rings

The concentric rings on the cross-section of a tree trunk, representing a record of a tree's age and the conditions under which it grew.

Paleozoic

An era in the geologic time scale, approximately 541 to 252 million years ago, marked by the early development of life, including the Cambrian explosion.