In the sentence given below, one/ more parts have errors and others are correct. Find out which part has an error and mark it as your answer. Hazardous wastes can not be put out with normal household waste for landfills.?

Option 4 : Hazardous wastes can

The correct answer is Hazardous wastes can.

Reading the given sentence we find that: 

• 'Hazardous wastes should not' should be there in place of 'Hazardous wastes can not'
• Here we are talking about something that should not be done and should be practised as a duty. 
• I.e not putting hazardous wastes with normal household waster for landfills. 
• Should is used to express suggestion/ advice/ duty while 'can' is used to denote 'ability, capacity'
• Example: You should study Hindi. You can lift the box.

The correct sentence is: 'Hazardous wastes should not be put out with normal household waste for landfills.'