Answer:
B.Sharks!
What Is on Their Dinner Menu?
Explanation:
D. Predicting. How can you predict what you are about to preview?
The subordinate clause is "you must start researching now"
Answer:
Evidence.
Explanation:
Evidence is the concrete facts used to support a claim. ... Many arguments begin by treating something as a claim, try to prove it, and then, once they have proved it to the author's satisfaction, treat it as a fact to be used as evidence to support some new claim.