Answer:
Restrictive lung disease.
Explanation:
Restrictive lung disease may be defined as medical condition in which the lungs cannot be fully expanded. The lung capacity is decreased in this pulmonary disease.
Restrictive lung disease may decrease the inspiratory volume of the lungs whereas the expiratory volume is normal of an individual. This disease may get worse over time.
Thus, the correct answer is option (b).
Answer:
2.2 billion people
Explanation:
Some 2.2 billion people around the world do not have safely managed* drinking water services, 4.2 billion people do not have safely managed sanitation services, and 3 billion lack basic** hand washing facilities.
