solved I’m working on a english exercise and need support to

I’m working on a english exercise and need support to help me learn.

there are 2 options for this exercise. 

Find: 3 food items in your residence
Look up: the most common contaminants for each food item
Submit: the associated food, the most common contaminant, and how much of the contaminant is allowed.

OR 

Find: 1 item in your residences (that was not used as an example in the lecture)
Look up: the LD-50 for that item
Submit: the lethal does for that specific item.