Why is it a good idea to have a carbon monoxide detector in the home? a. to keep parents and children from suffocating b. to avoid poisoning by a buildup of co gas c. to warn members of the household of smoke from

B. to avoid poisoning by a buildup of CO gas

my biggest life lesson is that if you do something bad/wrong it comes straight back to you karma. one time this kid threw an snowball at me then he slipped on ice now that's karma.

explanation:

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.