Which adaptation helps polar bears maintain a constant internal temperature (thermal homeostasis) in cold weather? pleas I need it for my test right now!

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.

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