Oxygen is a non-flammable gas due to the fact that it does not burn. But oxygen is needed for burning to take place; that is, oxygen support combustion. The primary hazard for oxygen is as an oxidizer. As an oxidizer, oxygen vigorously accelerates combustion. Because of this, a minimum of twenty feet must be maintained between oxygen and other combustible material or else, the oxygen container can explode if ignited.
Answer:
True
Explanation:
Increasing cardiorespiratory endurance improves oxygen uptake in the lungs and heart and can help a person sustain physical activity for longer.weight lifting can be considered cardio training
The left atrium receives blood and high oxygen levels from the lungs.
When doing scientific research the sources used should be truthful and factorial.
