Many animals live in the ocean. Dolphins are very intelligent and swim fast. Whales are the largest animals on Earth. Small fish swim in groups called schools. All these animals depend on the ocean for food and shelter. It is important to keep the ocean clean for them.
Bu paragrafın ana fikri nedir?
A) Dolphins are intelligent animals.
B) Whales are very big.
C) The ocean is home to many animals and needs protection.
D) Fish swim in schools.