Which of the Following Was a Challenge to the Survival

question 40

Multiple Choice

Which of the following was a challenge to the survival of the first land plants?

• A) too much sunlight
• B) a shortage of carbon dioxide
• C) desiccation
• D) animal predation

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Definitions:

Piecewise Function

A mathematical function defined by multiple sub-functions, each applying to a certain interval of the overall domain.

Water Meter

A device used to measure the volume of water usage in residential, commercial, or any other building for the purpose of billing and monitoring.

CCF

Stands for hundred cubic feet and is a unit of measurement often used for billing natural gas or water usage.

Piecewise Function

A mathematical function defined by multiple sub-functions, each applying to a certain interval of the main function's domain.