Why are protozoans classified as animals?
Đáp án A
(1) Protozoans are considered animals because, unlike pigmented plants to which some protozoans are otherwise almost identical, they do not live on simple organic compounds
Silent reading, especially in public places, flourished mainly because of ___.
Paragraph 4 of the passage serves mainly to do which of the following?
According to the passage, many people’s understanding of desertification is incorrect because _____.
It can be inferred that the emergence of the mass media and specialised reading materials was an indication of ___.
Large amounts of gases may be released from the Sun at the end of its life as a .
Why did the author wait until the last line to reveal the identity of the man in the photograph?