The Two Elements Most Abundant in the Earth's Crust Are

question 5

Multiple Choice

The two elements most abundant in the earth's crust are:

• A) helium and hydrogen
• B) iron and magnesium
• C) sodium and potassium
• D) silicon and oxygen
• E) iron and nickel

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Definitions:

Short-Term Memory

The capacity for holding a small amount of information in an active, readily available state for a short period of time.

Unlimited Capacity

A theoretical concept in which a system or process is considered to have no bounds or limits in its ability to hold or process information.

Long-Term Memory

A type of memory capable of storing large amounts of information for potentially unlimited durations, including facts, experiences, and skills.

Number Of Synapses

describes the total count of connections between neurons in the brain or nervous system, allowing for communication between these cells.