Viruses Multiply

question 14

Multiple Choice

Viruses multiply:

• A)in the absence of nutrients.
• B)only when they are inside of living cells.
• C)when they are outside of living cells.
• D)only when the temperature is below 7°

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Definitions:

Bedrock

The solid rock layer beneath the surface soil and loose materials, forming the foundation for the Earth's surface landscapes.

Steep Mountain Front

A steep mountain front is a pronounced topographical feature where the slope of a mountain is dramatically steeper, often marking the boundary between differing geological formations.

River

A large, natural stream of water flowing in a channel to the sea, a lake, or another such stream.

Sand Dune

A hill or a ridge made of sand that has been shaped by the wind.