To Query for Records with No Values in a Particular

question 14

Multiple Choice

To query for records with no values in a particular field, use _____ as the criterion.

• A) Is Not Null
• B) Is Null
• C) Is Blank
• D) Zero

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Definitions:

Temperature Change

Refers to variations in the average temperature of an environment or the Earth over a specific period, significantly influencing climate patterns and ecosystems.

Earth's Atmosphere

The layer of gases surrounding Earth, essential for life, as it provides air, protects from harmful rays of the sun, and maintains the planet's temperature.

CFCs

Chlorofluorocarbons, a class of chemical compounds used in refrigeration, air conditioning, and aerosol propellants, known to contribute to ozone depletion.

Troposphere

The lowest layer of Earth's atmosphere where most of the planet's weather occurs, extending up to about 10 km above the surface.