Which Hormone Causes Leaves to Fall from Trees in Autumn

question 54

Multiple Choice

Which hormone causes leaves to fall from trees in autumn?

• A) auxin
• B) gibberellin
• C) cytokinin
• D) abscisic acid
• E) ethylene

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Definitions:

Expectancy

The anticipated outcome or occurrence of an event, often used in the context of probability or investment returns.

Imputed Interest

The interest rate that is considered or assumed in the calculation of the cost of a decision, not explicitly paid.

Residual Income

The amount of income that an individual has after all personal debts and expenses have been paid from his or her earnings.

Return On Investment

A financial metric used to evaluate the efficiency of an investment, calculated as net profit divided by the initial cost of investment.