a. light insulation for heat conservation
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Biology, 02.08.2019 03:20 live4dramaoy0yf9
Which advantages do feathers provide for birds?
a. light insulation for heat conservation
b. water-tight for water conservation
c. volume for lift
d. rigid structure to anchor strong muscles for flight
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You know the right answer?
Which advantages do feathers provide for birds?
a. light insulation for heat conservation
a. light insulation for heat conservation
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