Which Expression Is Equivalent to If (!(Grade == SentinelValue))

question 17

Multiple Choice

Which expression is equivalent to if (!(grade == sentinelValue) ) ?

• A) if (grade !== sentinelValue)
• B) if (grade != sentinelValue)
• C) ! if (grade == sentinelValue)
• D) ! if (grade !== sentinelValue)

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Definitions:

Hydrologic Cycle

The continuous cycle of water movement through the Earth's system, including processes such as evaporation, condensation, precipitation, and infiltration.

Fresh Water

Water that contains minimal amounts of dissolved salts, typically found in lakes, rivers, and streams.

Evaporates

The process by which a liquid turns into a vapor, typically as a result of being heated or exposed to air.

Carbon Cycle

The biogeochemical cycle through which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.