Which sentence does NOT contain an error in pronoun-antecedent agreement?
1)One of these plants has an unusual pattern on their leaves,
2)Early astronomers had to use their eyes alone to study the stars.
3)An ancient Greek astronomer used their tools to predict positions of the sun.

3

Explanation:

"their" is referring to (typically) a singular person speaking from your perspecive

so saying it like three does sounds improper, and is therefore incorrect grammar.

ex: "it was their choice." I said.

your multimedia presentation should meet the following specifications: • it should be a minimum of four written paragraphs in length, which includes an introduction that previews the topic, incorporates facts, definitions, quotations, or other important information. • it should address all of the questions assigned in the webquest. • it should use vocabulary specific to the topic. • it should include a works cited page to document all sources. • it should reflect mastery of the basic rules of grammar, punctuation, and spelling. • it should use formatting, multimedia, and graphics to reinforce and extend the content. • it should include three multimedia elements and should use at least two of the following types of multimedia: 1. photographs 2. video clips 3. audio clips 4. maps 5. charts 6. graphs 7. works of art (such as original songs, sculptures, painting, performances) • it should be presented in one of the following formats: 1. word document 2. powerpoint presentation 3. prezi presentation can i have points idk the answer