The correct answer is option A- A scientific presentation of experimental results at a scientific conference.
Reason: A scientific presentation contains all the information which is based on experimentation and research of years and years. All the information is a scientific presentation would be factual and contain authentic data.
On the other hand, the other entire options even if contain information would not be authentic and contain errors and words of mouth.
1. The action that would control bleeding through the use of pressure points is B. push the main artery against a bone. 2. A. Confusion is a sign of heatstroke.
