How Can Spraying DDT Prevent the Spread of Malaria

question 73

Multiple Choice

How can spraying DDT prevent the spread of malaria?

• A)DDT prevents dehydration.
• B)DDT is a teratogen.
• C)DDT bioaccumulates at high trophic levels.
• D)DDT is a pesticide that kills mosquitos.
• E)DDT follows the precautionary principle.

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Definitions:

Futures Contract

A financial contract obligating the buyer to purchase, and the seller to sell, a particular asset at a predetermined future date and price.

Hedger

An individual or entity that enters into a financial contract to mitigate the risk of adverse price movements in an asset.

Swap Contract

A financial agreement where two parties exchange liabilities or cash flows from two different financial instruments for a set period.

Forward Contracts

Customized contracts between two parties to buy or sell an asset at a specified price on a future date.