CPR is unlikely to restart a heart on its own. It's meant to keep oxygenated blood flowing between the heart and brain when the heart and lungs fail.
Um... Cultural festivals
nothing about safety in there<span />
I think it's most likely D because when I googled the definition it said something about gas so yeah
Amniocentesis detects abnormality in chromosomes, genetic disorders, and neural tube defects. Trisomy 21 (Down syndrome) is the most common chromosome abnormality.