Give two ways the lungs are adapted for efficient exchange of gases. Describe how each adaptation helps to maintain efficient gas exchange
You must give the adaptation then the description.
(4 Points)

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explanation:

c is the answer : )               your welcome

substitution is the answer in this case

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;