Read Each Statement and Identify Whether the Statement Is a Scientific

question 48

Multiple Choice

Read each statement and identify whether the statement is a scientific fact, a scientific theory, or an opinion. Choices may be used more than once or not at all.
-The most beautiful sunsets are those observed in deserts.

• A) scientific fact
• B) scientific theory
• C) opinion

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Definitions:

Electronically Controlled

Refers to systems or components regulated or operated through electronic signals and sensors rather than manual or mechanical means.

J1939 Data Bus

The physical neural network of a CAN 2.0 network bus using J1939 protocols consisting of a twisted two-wire pair, SA stubs, and two terminating resistors. Used as the primary powertrain bus even in systems using multiple auxiliary buses. Theoretically capable of speeds of up to 1 Mb/s but usually maxed out at 500 Kb/s in current applications.

ECU Output

The signals or commands sent out by an Engine Control Unit to various systems within a vehicle.

Refrigerant Condition

Refers to the state of the refrigerant in a cooling system, including its pressure, temperature, and phase (liquid or gas).