The "Hole" in the Antarctic Ozone

question 90

Multiple Choice

The "hole" in the Antarctic ozone

• A) should disappear very soon.
• B) was never proven to have existed.
• C) is invisible to satellite observations.
• D) persists longer and longer each year.
• E) has now disappeared.

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Definitions:

Effective rate

The total compounded interest rate, expressed annually, that represents the actual financial cost of a loan or investment.

Compounded quarterly

Interest is recalculated every three months based on both the initial principal and previously earned interest, leading to exponential growth of an investment or debt.

Principal amount

The principal amount refers to the initial sum of money borrowed in a loan or invested, excluding any interest or additional fees.

Compounded quarterly

Refers to the calculation and addition of interest on a principal amount four times a year.