The answer to this should be B. Worm. A pinion is a the smallest gear out of the listed ones above. spur would be next then wheel and the biggest if them all would be the spur. I'm not completely sure if my answer is 100% correct, but I feel confident enough about it. Hope this helps. :)
Answer:
It is general knowledge
Explanation:
What you covered is general knowledge and the entrance to computer science.
Answer:
Information And Communication Technology
