complete the sentence with the pronoun that agrees with the word or words in bold. philosopher john dalton…

complete the sentence with the pronoun that agrees with the word or words in bold. philosopher john dalton is credited with developing our modern theory about atoms. dalton proposed that make up elements and combine to form chemical compounds.
Answer
Brief Explanations:
The pronoun should refer to 'atoms' which is plural. So we need a plural - pronoun.
Answer:
they