Answer:
A gas composed of molecules with three oxygen atoms
Explanation:
Ozone is 
Answer:
Some benefits of genetic engineering in agriculture are increased crop yields, reduced costs for food or drug production, reduced need for pesticides, enhanced nutrient composition and food quality, resistance to pests and disease, greater food security, and medical benefits to the world's growing population.
Answer:
altitude sickness, hyperventilation and loss of appetite. Hypoxia is another problem humans may experience due to a decrease in pressure of oxygen.
Explanation:
Answer:
Boi ur question is out of context.