问题详情

Which of the following is NOT true？
A．During the past two centuries, 19 species of animals have disappeared in Australia.
B．Life on Earth is about 3.5 million years old.
C．By the end of this century about one million species could become extinct.
D．At least 250 million species of animals and plants have lived on Earth.请帮忙给出正确答案和分析，谢谢！