Answer:
It's one time or maybe ttwo
It is called haemogloblin.
The correct answer should be Carrying capacity
Carrying capacity is the the number of people, animals, and other life forms, that an ecosystem can sustain without starting to degrade, and all these upsets can destroy it because it can cause people and animals to migrate somewhere or they can destroy the carrying capacity of the already existing one.
The ones about enzymes are chemical digestion and the ones about chewing are mechanical digestion.
