Answer:
The answer is A. It is expensive to produce and transport
Explanation:
It has11 protons and neutrons atomic number=11 mass=22
A: Cultural Controls
C: The Scientific Method
Answer:
The calcium concentration must be greater OUTSIDE
the cell than INSIDE the cell.
Explanation:
Calcium has a vital role in the body, it is necessary for:
- exocytosis
- muscle contraction
- normal excitability of neurons
- blood coagulation
- building and maintaining bones and teeth
- enzymatic activity
Answer:
True because it is mixed with the proper ingredients.