The sentence that demonstrates correct subject-verb agreement is
<u>Dave Wiens</u>, a Denver native and champion mountain biker,<u> helped</u> design the Olympic mountain bike course in Atlanta, Georgia.
In this sentence : Exploring international mountain passes, such as those in New Zealand, Canada, and Japan, are one of the biker’s favorite hobbies. The correct verb that shows agreement would be is
Answer is d
Hope this helps :)
<span>Thomas Paine was an English-American <u>ACTIVIST</u> who wrote pamphlets that influenced many people and were instrumental in starting the american revolution. He skillfully communicated the ideas of the revolution to everyone, from farmers to intellectuals.
Since the purpose of the paragraph is to inform the word that best fits in the blank is the word "activist," it means that this person is someone who is campaigning/informing people to bring about certain political or social changes.</span>