In the Fall, the Leaves of Some Trees Change Color

question 60

Multiple Choice

In the fall, the leaves of some trees change color. This happens because chlorophyll breaks down and the accessory pigments become visible. What hormone is responsible for this?

• A) phototropin
• B) abscisic acid
• C) cytokinin
• D) ethylene

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Definitions:

Consumption

The process or activity of using goods and services, reflecting the end-use of products that directly satisfies human needs or desires.

Interest Rate

The ratio of a loan that is applied as interest towards the borrower, commonly presented as an annual percentage of the remaining loan.

Inflation

Inflation is the rate at which the general level of prices for goods and services is rising, eroding purchasing power over time.

Budget Line

A graphical representation of all possible combinations of two goods that can be bought with a given budget at fixed prices.