Which of these events happened last? a. U. S. submarines survived the attack on Pearl Harbor.
b. Sgt. Ezra Lee attempted to blow up a British flagship using a submarine.
c. U-Boats sank the Lusitania.
d. Julius H. Kroehl’s developed the Sub Marine Explorer

3. how could the following sentence be rewritten as an exclamatory sentence? how dangerous was the saber-toothed tiger? a. tell someone how dangerous the saber-toothed tiger was. b. the saber-toothed tiger was dangerous. c. the saber-toothed tiger was dangerous! d. no change is necessary. c. the saber-toothed tiger was dangerous!