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Cerrena [4.2K]
3 years ago
15

The primary human source of greenhouse gases in earths atmosphere is:

Biology
2 answers:
Feliz [49]3 years ago
7 0
Im pretty sure the answer is A.
Rus_ich [418]3 years ago
6 0

Answer:

The answer is A

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The breath of living beings is divided into two processes, the first is inhalation and the second is exhalation. Regarding the first, it is the process in which the air is taken by the beings to be conducted to their lungs through their noses, passing through the nasal cavity, larynx, trachea, bronchi, bronchioles and finally alveoli where gas exchange occurs. The second process is the opposite, in which the air inside the lungs converted into CO2 is expelled, passing through the same places in an inverted manner, that is, alveoli, bronchioles, bronchi, trachea, larynx and nasal cavity. So, the correct answer is B. Nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli.

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