One Particularly Important Collision in the Early Inner Solar System

question 20

Multiple Choice

One particularly important collision in the early inner solar system about 100 million years after Earth's formation resulted in

• A) the extinction of 70 % of the species then in existence on Earth, including the dinosaurs.
• B) the formation of a secondary asteroid belt between the orbits of Earth and Venus.
• C) the destruction of the planet Vulcan, which had an orbit inside the orbit of Mercury.
• D) the formation of our Moon.

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Definitions:

Market Rate

Market rate, often referred to as the going rate, is the standard or average price of a good or service in a certain market at a given time.

Straight-Line Method

A depreciation technique that allocates an equal proportion of the cost of an asset to each year of its useful life.

Amortize Discount

The process of gradually writing off the discount on bonds payable over the life of the bond, effectively recognizing some interest expense each period.

Bonds Payable

Long-term liabilities that represent the amount a corporation owes to bondholders.