Answer: true
Explanation: Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use. Hope this helps
C,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, i think its c
13 is c. 14 is d. and 15 is b
Intelligence quotient- total scored derived from several standardized test designs to assess humans intelligence