Energy to Support a Reasonable Total Biomass of Ongoing Life

question 61

Multiple Choice

Energy to support a reasonable total biomass of ongoing life in a Europan ocean would probably come from

• A) sunlight filtering through the ice
• B) organic material filtering down from the surface
• C) deep-sea volcanic vents
• D) meteoroid impacts on the surface

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Definitions:

Interest Rate Parity

A theory which says that the difference between the interest rates of two countries is equal to the differential between the forward exchange rate and the spot exchange rate of their currencies.

Forward Rates

The predetermined interest rates or currency exchange rates agreed upon for transactions that will be executed at a future date.

Spot Rate

The existing market cost at which a certain asset is offered for buy or sell, ensuring immediate delivery.

Absolute Purchasing Power Parity

An economic theory that states the price of a good in one country should equal the price of the same good in another country when exchanged at the current exchange rate.