Based on the Observed Red Shifts in the Spectral Lines

question 14

Multiple Choice

Based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that___________ .

• A) the universe is expanding
• B) the universe is contracting
• C) Earth is in the center of the universe
• D) the universe is in a steady state

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Definitions:

Lubrication-Related Failures

Failures in mechanical systems caused by inadequate lubrication, leading to increased friction, wear, and overheating.

Differential Carriers

The housing that contains the differential in a vehicle, supporting various components such as gears and axles.

Lube Breakdown

The degradation of lubricating oil's properties, leading to reduced effectiveness and the potential for increased wear and tear on components.