If the inner lining of the air sacs neither thin nor highly vascularized, then it can be inferred that AIR SACS ARE CANNOT BE THE SITES OF GASEOUS EXCHANGE BETWEEN AIR AND BLOOD. Air sacs are generally lined with mucus and surrounded with blood capillaries.
In case of birds, air sacs play an important role in respiratory system.
Answer:
the faster the car goes the more stopping distance is needed
Explanation:
Answer:
The correct answer would be the option B.
The carrying capacity of an ecosystem refer to the maximum number of plants, animals, insects, and crops an ecosystem can support without getting any degradation.
Carrying capacity of different species may vary within an ecosystem.
It is determined by different factors such as food availability, shelter, water supply, et cetera.
The answer is b I'm positive
pls give brainliest answer
