Blue whales are one of them. They are the largest animals in the world.They mainly feed on the smallest animals in the __57__. Now they are in danger because their living environment is __58__ bad.First, some people make their ocean home dirty. Second, some people kill them __59_...
Stingrays are extremely dangerous animals.(false, most experts would not classify them as very dangerous animals) Stingrays will often swim away when people are nearby.(true) A stingray moves by flapping its "wings."(true; note, students might be confused by the use of the word "wings" in ...