Answer:
2. Dolphins eat small fish and squid
Explanation:
Option 2 is the correct answer because it provides clear facts about dolphins which are informative.
Informative sentences or reports actually contain useful and relevant information or details. Option 2 actually contain relevant information which will be helpful to readers of Gail's report. Dolphins feed on squids, small fishes, crabs, octopus, etc. Some of these dolphins live in deep water oceans.
Informative sentences/essays actually educate readers.