The Composition of Earth's Atmosphere by Volume Is ________ Nitrogen

question 104

Multiple Choice

The composition of Earth's atmosphere by volume is ________ nitrogen, ________ oxygen, 0.93% argon, 0.039% carbon dioxide, around 1% water vapor, and small amounts of other gases.

• A)78%; 21%
• B)68%; 31%
• C)88%; 11%
• D)49%; 49%
• E)22%; 77%

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Definitions:

CCA Class

Canadian Capital Cost Allowance Class; a categorization in Canadian tax law that determines the depreciation rate for tax purposes on different types of assets.

Required Rate

The lowest expected gain an investor aims to receive from an investment in a specific asset, taking into account the associated risk.

Fixed Costs

Expenses that do not change with the volume of production or sales, such as rent, salaries, and insurance premiums.

Bottom-Up Approach

A strategy that starts at the very detailed level and works upwards to form a complete picture, often used in analysis or planning.