Step-by-step explanation:
Forced vital capacity: the maximum amount of air you can forcibly exhale from your lungs after fully inhaling. It is about 80 percent of total capacity, or 4.8 liters, because some air remains in your lungs after you exhale
Answer:
1 to 100,000
Step-by-step explanation:
1 km is equivalent to 100,000 cm.
b= 2 and 5
is your answer to the above question.
