Which Are the Three Most Abundant Elements in Earth's Crust

question 149

Multiple Choice

Which are the three most abundant elements in Earth's crust?

• A)Rock,water,and tectonics.
• B)Magnesium,potassium,and oxygen.
• C)Iron,aluminum,and granite.
• D)Oxygen,silicon,and aluminum.

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Definitions:

Reliability

The degree to which a system, component, or process performs its required functions under stated conditions for a specified period of time.

Components In Series

An electrical configuration where components are connected along a single path, so the same current flows through all of them.

Preventive Maintenance

Routine maintenance, inspections, and servicing performed on equipment, machinery, or systems to prevent unexpected failures or breakdowns.

Product Reliability

The likelihood that a product will perform its intended function without failure over a specified period.