When grouping ideas in an outline, it is important to remember to follow a pattern. You might group them according to concepts, in chronological order, in order of importance, etc. However, you need to make sure your ideas are coherent and they respect certain concepts. if not, when you start writing it would be difficult to organize a clear assay.
Answer:
1. The children were doing their homework when their father came back from the office.
2. He was playing the guitar when someone opened the window and threw out a bucket of water.
The plural form of the word radius is <em>radii</em>.
I know it sounds weird, but this is correct. Adding <em>-s </em> at the end of the radius would make the word grammatically incorrect. This is because the word radius itself is a Latin word.
- Marlon Nunez
