30) What reduces friction around the lungs as they expand and contract?
A) mucus
B) pleural...
Biology, 14.12.2021 01:00 adiboo2004
30) What reduces friction around the lungs as they expand and contract?
A) mucus
B) pleural fluid
C) surfactant
D) synovialfluid
Answers: 1
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Which of the following is true about the solar wind? select all that apply the solar wind blows dust around on the moon. the solar wind interacts with earth's magnetosphere. the solar wind only interacts with the earth and its moon. the solar wind may be the source of water on the moon.
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Dna replication allows the basic.units of.heredity found on segments of dna called to be passed on from parent to offspring.
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The periodic table houses noble gas elements in group 18. these elements are highly stable and rarely react with any other elements. what is one possible reason for the stability of the noble gas elements? a. they easily form covalent bonds. b. the compounds that they form with other elements are very unstable. c. their outermost shell has the maximum number of electrons that it can hold. d. they require less activation energy.
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