The ones about enzymes are chemical digestion and the ones about chewing are mechanical digestion.
Answer:
B-Close the ring in the bearing or the ring in the bearing.
Explanation:
hope it's help
Answer:
Subsistence agriculture
Explanation:
The definition of subsistence agriculture is a form of farming where nearly all of the crops or livestock are raised to maintain the farmer and his/her family, leaving little to nothing for sales or trade