Oxygen
Definition 1 of 3
Pro Tip 1/3
Vital for Life
Oxygen is often used to express the critical need for something. Water, like oxygen, is vital for survival.
Pro Tip 2/3
Emergency Situations
Oxygen equipment is commonly referenced in safety and medical emergencies. The paramedics put an oxygen mask on the patient.
Pro Tip 3/3
Environmental Concern
Discussions on oxygen may indicate environmental issues like deforestation. Trees are crucial because they produce oxygen.