#1 is CO2 exchange. CO2 is diffusing from the blood into the alveoli for expiration.
#2 is O2 exchange. O2 is diffusing from the alveoli into the blood to be carried to the tissues.
Answer:
1) name of the capsule was called VIKING 1
2) it took them 90 DAYS to land on mars
3) name of the photograph is PANORAMA OF THE RED PLANET
Explanation:
50% if the B blood type parent is heterozygous
Light is an example of an abiotic factor. It is also the major energy source.