I guess that is:
Within the capillaries of the lungs, gases are exchanged by diffusion; O2 diffuses from the alveolus to the bloodstream and CO2 diffuses from the bloodstream to the alveolus.
The correct answer is B. Pinna because auris externa is the external portion of the ear, which is called auricle ( also known as pinna ).
* Hopefully this helps:) Mark me the brainliest:)!!
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I think conqueror etozomic genotype AA
is correct and was 50% blood type A or AB
(if you ignore the RH)
Leaves get their colors through pigments. Leaves turn green because of chlorophyll but when they turn orange red and yellow it’s the chlorophyll breaking down and mixing with pigments (like carotenoids)
4) b removing more co2 from the atmosphere
5) a more sea ice melting
6) tolerate c
7) stained teeth b
8) polar bear will consume less seal meat
9) past and more current research (not sure)
