Answer: in the closet; under the bed.
Explanation: 4 year olds understand that Bobby left the toy under his bed, hence he will go look for it there. In contrast, 2-3 year olds can't comprehend the thought process Bobby will go through, as well as the fact that Bobby is unaware that his mum moved the toy.
The technique for maintaining the quality and freshness the meat is used in, is chemical
Check if the person is breathing or not is the answer
Umm... like.. all and every practice approved by human rights I guess, your question has zero context.