A Smart Refrigerator Can Use _____ to Detect When You

question 328

Multiple Choice

A smart refrigerator can use _____ to detect when you are running low on milk, and then send a reminder to you on a wireless network.

• A) transistors
• B) sensors
• C) kiosks
• D) navigation systems

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Definitions:

Water Table

The depth beneath the surface where the soil is completely filled with water.

Cave Roof

The upper surface or ceiling of a cave, formed by natural geological processes.

Sinkhole

A depression or hole in the ground caused by the collapse of a surface layer, often resulting from the dissolution of limestone by water.

Caldera

A large crater formed by a volcanic eruption, resulting from the collapse of land following the emptying of the volcano's magma chamber.