Improve the grammaticality of this text: In the 21st century, new desires, as well as new problems have emerged, such as environment pollution, bionics, exploration of outer-space and so on.
The text is written in the present tense, but the subject is the speaker.
The speaker is the author of the text.
Corrected: The text is written in the present tense, but the subject is the speaker.
The speaker is the author of the text.
Corrected: The text is written in the present tense, but the subject is the speaker.
The speaker is the author of the text.
Corrected: The text is written in the present tense, but
In the 21st century, new desires, as well as new problems have emerged, such as environment pollution, bionics, exploration of outer-space and so on.
The first sentence is a description of the situation. The second sentence is the explanation of the situation. The third sentence is the explanation of the problem.
The second sentence is a description of the situation. The third sentence is the explanation of the problem. The fourth sentence is the explanation of the situation.