Net Primary Productivity on Land

question 7

Multiple Choice

Net primary productivity on land

• A) tends to increase from the equator toward the poles.
• B) tends to decrease from the equator toward the poles.
• C) is greatest in deserts due to intense sunlight.
• D) is very low in tropical areas due to excessive rainfall.

---

Definitions:

Initial Margin

The portion of the purchase price that an investor must deposit when buying securities on margin; serves as a down payment on the investment.

Maintenance Margin

The minimum amount of equity that must be maintained in a margin account after a purchase has been made, to keep the account open.

Long Futures Position

Holding a futures contract that obligates the buyer to purchase the underlying asset at a specified price on a specified future date, typically anticipating a price rise.

Levered Investment

Levered Investment involves using borrowed funds in addition to one's own investment capital to enhance the potential return of an investment.