2. sınıf ingilizce 10. ünite Animals (Hayvanlar) Test 2

Marine animals like whales and dolphins need to come to the water's surface regularly. This is because they are mammals and must breathe air, unlike fish which extract oxygen from water through gills.
Based on the text, why do whales surface more frequently than sharks?

A) To hunt for food
B) To communicate with others
C) To breathe air
D) To avoid predators