For oxygen to diffuse into blood, it would pass through the following structures in which order?

A) Alveolar space; surfactant; air-blood barrier

B) Surfactant; alveolar space; air-blood barrier

C) Surfactant, air-blood barrier; alveolar space

D) Alveolar space; air-blood barrier; surfactant

The process by which natural forces move weathered rock and soil brim one place to another is called

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

Animals that have thick fur and ae able to store large amounts of body fat live where ?