Questions with the keyword 'harmful'

• How does Febreze actually kill dirty smells? Their latest advert bugs me because I’m not sure how it works. by 07stoombs to Alexander, Josh, Serena, Simone, Stuart Comments: (So far, one comment )
• whats the worlds most lethal chemical(gas) by shadow3217 and 1 other. to Stuart, Alexander, Josh, Serena, Simone Comments: (No comments so far )
• could this kind of gas harm living things by coolboy to Stuart Comments: (No comments so far )
• what’s the most dangerous experiment you have done? by lay001 to Stuart Comments: (No comments so far )