Find the correct one word for the phrase given below:
 'Converting waste into reusable material.'

Select the option that can be used as a one-word substitute for the given group of words. One who feeds on human flesh

Select the option that can be used as a one-word substitute for the given group of words.

The activity of writing dictionaries

Select the option that can be used as a one-word substitute for the given group of words.

Something that is to your advantage but happened by chance

Select the option that can be used as a one-word substitute for the given group of words.

Photographers who follow celebrities to get their pictures to sell them

Select the option that can be used as a one-word substitute for the given group of words.

Walk or move at a slow, relaxed pace

Select the option that can be used as a one-word substitute for the given group of words.

A person who thinks that bad things are more likely to happen or who emphasises the bad part of a situation

Select the option that can be used as a one-word substitute for the given group of words.

One who supervises students in an examination hall