Which Component of the Milky Way Galaxy Accounts for Interstellar

question 111

Multiple Choice

Which component of the Milky Way Galaxy accounts for interstellar extinction, the dimming of light from distant objects?

• A) cool hydrogen gas
• B) so-called hidden or missing matter, since its absorbing properties render it invisible in the Galaxy
• C) molecules such as H₂ and CO, which are strong absorbers, in molecular clouds
• D) dust

Differentiate between freight charges and merchandise costs in the context of cash discounts and invoice payments.

Understand the unique properties of water and their importance for life.

Grasp the basic concepts of chemical reactions and the role of oxidizing and reducing agents.

Comprehend the principles of evaporative cooling and specific heat.

---

Definitions:

Expense Accounts

Accounts used to record the consumption of assets or services that result in a decrease in owner's equity, excluding the withdrawal of business assets by the owner.

Income Summary Account

A temporary accounting ledger that aggregates all income and expenses over a period to calculate net profit or loss.

Adjusting Entries

Bookkeeping entries recorded at the conclusion of an accounting cycle to apportion earnings and outlays to the appropriate period.

Interim Periods

Monthly or quarterly accounting time periods.