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
Answer:
Adverb
Explanation:
It is an adverb because it modifies the adjective after it (very).
Answer:
I.a cookbook has been written by agricultural officers
II.the sky is being darkened by locust swarms of 50km