Answer:
B
Explanation:
This is the only thing missing in the food chain
This would be an isotonic solution. If a cell is placed in a solution of salt with the same concentration of salt in the cell, nothing will happen. The water level will stay the same.
Without any improvement within 5 days, usually after that you should make an appointment with your dentist.
Answer:
enzymes increase the energy required to initiate the reaction
Explanation:
