Nitrogen (N₂)is

question 231

Multiple Choice

Nitrogen (N₂) is

• A)a product of the radioactive decay of a form of potassium in the crust.
• B)now measured at 20.946% by volume in the homosphere.
• C)cycled through the environment via the activity of bacteria.
• D)a key component of life,integrated into our bodies directly from the air.

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Definitions:

Useful Life

The estimated period that an asset is expected to be usable for its intended purpose.

Depreciation Expense

The allocation of the cost of an asset over its useful life, reflecting the asset's consumption, wear and tear, or obsolescence.

Straight-Line Basis

A method of calculating depreciation or amortization by evenly spreading the cost of an asset over its useful life.

Salvage Value

The expected sale value of an asset upon reaching the end of its serviceable life.