Answer:
the air in our lungs is measured in terms of lung volumes and lung capacities. volume measures the amount of air for one function, like such as inhalation or exhalation. capacity is any two or more volumes, for example, how much can be inhaled from the end of a maximal exhalation
if i'm wrong i'm really really sorry!!
They help form D organ system which is the
digestive system
It's A. Primary succession :) because Human economics and ecology are linked together because human economics utilizes the ecosystem and the natural resources in older for economics to actually exist. :)))))))
