In Interstellar Space,millions of Ice-Encrusted Dust Particles Contain Simple Carbon-Containing

question 50

Multiple Choice

In interstellar space,millions of ice-encrusted dust particles contain simple carbon-containing compounds.When particles like these are exposed to solar radiation,more complex organic molecules form on the surfaces of the dust.What is the significance of these findings?

• A)Chemical evolution occurs only in outer space and was not possible on Earth.
• B)Life began in outer space.
• C)Life exists in outer space.
• D)Chemical evolution occurs readily in outer space.

---

Definitions:

Time Periods

Discrete intervals in which events occur or data is collected, analyzed, and reported.

Stock Market

A collection of markets where stocks (shares of ownership in businesses) are bought, sold, and issued, reflecting the economic trends and investor sentiment.

Business Activity

The various actions a business engages in as part of its operations, ranging from production to sales.

1929

The year marked by the stock market crash in October, which led to the Great Depression, a severe worldwide economic downturn.