Explanation:
The answer is that they breath air because people do too
The answer is "Detached."
To be detached literally means to be separated or isolated from something. So this word can help to indicate the dead-end and dull aspect of the street.
The last one or D. The way that something is transmitted. This is because it says broadcasting. That suggests that something is being sent out to everybody. In this case it just means that it is being announced throughout the school.
0.10. Two decimal places in is 0.09 but you have to round. Next to the 9 is a 7 and if it's 5 or above we round up so 0.09 becomes 0.10 :)Hope this helps, if not feel free to ask questions