For People Who Live near a Bus Route, a Subway

question 198

Multiple Choice

For people who live near a bus route, a subway station, or a commuter rail line, public transportation provides a substitute to driving their own cars.So, for these people, the cross-price elasticity of demand between gasoline and public transportation is

• A)positive.
• B)negative.
• C)zero.
• D)infinity.

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Definitions:

Circular DNA

A type of DNA structure found in many bacteria, some viruses, and mitochondria, where the DNA forms a closed loop without free ends.

Pandoraviruses

A genus of giant viruses known for their large size and unique genetic makeup, challenging traditional virus classification.

Polydnaviruses

A group of viruses that have a mutualistic relationship with some species of parasitoid wasps and are involved in suppressing the immune systems of the wasps' hosts.

Plasma Membrane

The plasma membrane is a biological membrane that separates the interior of all cells from the outside environment, controlling the passage of substances in and out.