By the End of 2012,atmospheric Greenhouse Gases Had Again Reached

question 21

Multiple Choice

By the end of 2012,atmospheric greenhouse gases had again reached new highs-the highest levels in 800,000 years.In the twentieth century,average world temperature rose by 0.7°C.If current trends continue,scientists expect that the average range of temperature increase by the year 2100 will be

• A) 0.5-0.7°C.
• B) 0.7-1.0°C.
• C) 0.8-1.8°C.
• D) 1.0-2.0°C.
• E) 1.8-4.0°C.

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Definitions:

Correlation

A statistical measure that describes the extent to which two variables change together, indicating the strength and direction of their relationship.

Randomly Selected Stocks

Shares from various companies chosen without any specific criteria or bias, often used for creating a diversified investment portfolio.

Market Risk

The risk of losses in investments due to factors that affect the entire market or economy.

CAPM (Capital Asset Pricing Model)

A financial model that describes the relationship between systematic risk and expected return for assets, particularly stocks.