The answer to your question is muscles.
An AED is a type of computerized defibrillator that automatically in analyzes The heart rhythm and people who are experiencing cardiac arrest. When appropriate it delivers in electrical shock to the heart to restore its normal rhythm.
Answer:
Option 2
Explanation:
don't don't hold me to this but I think it's decreased trade among countries has caused whittling world economy because that is a problem and problems are typically a push factor