Hi ^-^
The correct answer is: D. contaminated objects
Hope this helps, and please mark as brainliest!
...I wouldn't suggest it. What class is this for? Generally you only need to know about norcos if you take them by prescription. Otherwise dont.
I would say it is that adults in schools should set strict rules.
I am not completely sure, Hope this helps!!
Gravity and Inertia is the answer