Question

if the pronoun in bold is vague, select all of the nouns or noun phrases it could refer to. if it is not vague, select its one clear antecedent. johannes gutenberg is known for inventing the movable - type printing press. his creation sparked a revolution in printing that made books more accessible to the public.

Explanation:

The pronoun "His" in the sentence refers to Johannes Gutenberg. We analyze the context: the first sentence introduces Johannes Gutenberg and his invention, and the second sentence uses "His" to refer to the creator of the movable - type printing press, which is Johannes Gutenberg. So the clear antecedent of "His" is Johannes Gutenberg.

Answer:

Johannes Gutenberg