Currently We Think That Matter Accounts for Only About 27

question 84

True/False

Currently we think that matter accounts for only about 27% of the cosmos, with dark energymaking up the rest.

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Definitions:

Timer Off-delay

A timing function in control systems that keeps the output active for a predetermined time after the input signal has been turned off.

Output Coil

In programmable logic controllers (PLCs), an output coil represents a device or actuator to be controlled by the PLC's program.

TON Instruction

A timer instruction used in programming that starts timing when the input condition becomes true and continues until the set time has elapsed.