According to the passage, which of the following s...

Câu hỏi: According to the passage, which of the following sentences is NOT true?

A. Ozone layer can't stop ultra violet rays from reaching the earth anymore.

B. The toxic air is caused by sulphur dioxide which is released from coal burning.

C. When the amount of CO2 in the air increases, it prevents plants in the process of photosynthesis.

D. There are other different types of pollution besides air pollution.