(Figure: Revenue Schedule) Demand and Marginal Schedule
in the Figure

question 44

Multiple Choice

(Figure: Revenue Schedule) Demand and Marginal Schedule
In the figure, what is the marginal revenue for the second unit?
$\begin{array}{|l|l|l|}\hline \text { Price } & \text { Quantity } & \begin{array}{l}\text { Total } \\\text { Revenue }\end{array} \\\hline \$ 9 & 0 & 0 \\\hline 8 & 1 & \$ 8 \\\hline 7 & 2 & 14 \\\hline 6 & 3 & 18 \\\hline 5 & 4 & 20 \\\hline\end{array}$

• A) zero
• B) $4
• C) $6
• D) $8

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Definitions:

Groundwater Depletion

The excessive withdrawal of groundwater resources faster than they can naturally be replenished, leading to a decline in groundwater levels.

Overgrazing

occurs when plants are exposed to intensive grazing for extended periods, impairing plant growth and soil health.

Nomadic Lifestyle

A way of life characterized by moving from one place to another rather than settling permanently in one location, often for reasons such as following seasonal food sources or grazing lands for livestock.

Desert Ecosystem

A biome characterized by very low precipitation, extreme temperatures, and sparse vegetation, supporting a unique set of flora and fauna adapted to arid conditions.