Air passes through is: Nostrils → nasal cavity →Pharynx → Larynx →Trachea → Bronchi (with cartilaginous rings) →Bronchioles (without rings) → Alveoli (air sacs). Alveoli are the seat of exchange of O2 / CO2 between lungs and blood.
I believe it is in between. it shows to have both felsic and mafic properties
The answer is actually 4.4 billion years, but i guess you can estimate to 4.5
Answer:
It is very possible for a plant to grow on mars, but you would need better soil, because mars' soil is filled with perchlorate salt which is toxic to plants. You would also need to conceal the plant, because the temperatures on mars are usually freezing. But yes, you could have a cactus on mars, it would just be very difficult to sustain.
Explanation:
