Some Desert Plants Reduce Evaporation by Closing Their Pores During

question 9

Short Answer

Some desert plants reduce evaporation by closing their pores during the day and opening them at night to take up ____________________.

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Definitions:

Hardwired Relay Control

A control system that uses physical electrical connections and relays for controlling machinery or processes.

Energized

Describes an electrical circuit or component that is active and under power, thereby capable of performing its intended function.

Electromagnet Control Relay

A relay device that uses an electromagnet to mechanically operate a switch, allowing lower power signals to control much larger power circuits.

Switch Contacts

The conductive parts in a switch that come together to complete an electrical circuit when activated.