Choose the sentence which has the appropriate use of Article/s:

The Russians sent up the first earth satellite.

The correct answer is Option (2) - The Russians sent up the first earth satellite.

- Articles "the" and "a/an" are used to define nouns. "The" is a definite article used to specify a particular noun that is known to the reader or listener.
- "The Russians" specifies a particular group of people (the nationality in question).
- "The first earth satellite" specifies a particular satellite, known as the first one to be sent up.
- Using "the" before "Russians" and "the" before "first earth satellite" makes the sentence clear and specific.