Without surfactant, . a) the surface tension of the liquid in the alveoli would be less the surface tension of the liquid in the alveoli would be greater
b) the surface tension of the liquid in the alveoli would be greater and the alveoli would collapse the alveoli would collapse
c) the surface tension of the liquid in the alveoli would be less and the alveoli would collapse

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Ways that industry and agriculture use physical properties to separate substances

What kind of simple machine is a catapult?