An Aurora Is Produced When

question 52

Multiple Choice

An aurora is produced when

• A) charged particles flow toward the magnetic poles and excite atmospheric gases.
• B) swamp gases rise from the Arctic tundra and react with the upper atmosphere.
• C) radiation in the Van Allen belts can be seen on a clear,cold night.
• D) lightning travels from cloud to cloud rather than cloud to ground.

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Definitions:

Residual Value

The estimated value that an asset will have at the end of its useful life, often used in calculating depreciation.

Capital Lease

A type of long-term lease agreement in which the lessee essentially buys an asset and pays for it over the lease term, with the asset's ownership potentially transferring to the lessee at the lease's end.

Bargain Purchase Option

A provision in a leasing contract permitting the lessee to buy the leased item for a price well below the anticipated market value once the lease period concludes.

Present Value

Present value is the current worth of a future sum of money or stream of cash flows, given a specified rate of return, rephrasing the value of future money in today's terms.