High concentrations of carbon monoxide kill in less than five minutes. At low concentrations it will require a longer period of time to affect the body. Exceeding the EPA concentration of 9 ppm for more than 8 hours is suspected to produce adverse health affects in persons at risk.
I think its the third one
Scientists wanted to learn the mystery behind his death.
Answer:
An electronic health record.(EHR)
Explanation:
The EHR, is a broader health information system which recorded both the normal traditional healthcare( hospitals and clinics) and the non -traditional healthcare.( e.g acupuncture, wellness information, patients behaviour and health education)
it is maintained by the patient , together with the health care providers.
it is both longitudinal and horizontal in its approach.
