What does the underlined conjunction connect in the sentence?

swimming and diving are popular water sports.

a.
predicates

b.
sentences

c.
subjects

d.
direct objects

How has the money from oil production in the middle east not impacted the people of that region? a) it improved education and jobs in the region. b) it improved infrastructure such as ports, roads, and bridges. c) it increased life expectancy due to improved healthcare facilities. d) it increased political stability and lessened the presence of corruption.

Any study/memorization tips? i have exams in a week and it would be great to try suggestions!you ; )

What unintended effect of the eighteenth amendment led to its repeal? a. a drop in stock prices b. an increase in alcohol consumption c. a rising disregard for the law d. a drop in farm prices