Most Craters on Mercury Appear to Have Been Produced By

question 25

Multiple Choice

Most craters on Mercury appear to have been produced by:

• A) impacts from objects from space early in the planet's history.
• B) successive expansion and contraction of the planet's surface because of intense heating by the Sun and severe cooling during rotation because the craters appear to be in irregular lines across the surface.
• C) volcanic eruptions early in the planet's history.
• D) continuous impacts by objects from space throughout the planet's history, including very recently in geological time.

---

Definitions:

Sales Returns and Allowances

A reduction in the amount of sales that accounts for the return of goods by customers and allowances for unsatisfied goods or services.

Purchases Discount

An accounting reduction in the price paid for goods or services if payment is made within a specified period.

Unearned Revenue

A liability account that records amount owed for goods or services in advance of delivery. The Cash account would record the receipt of cash.

Adjusting Entry

A journal entry made at the end of an accounting period to allocate income and expenditure to the appropriate period.