Answer:
Where are the questions at.
Gondwana
Pangaea
Precambrian
Paleozoic era
Silurian
I know of a surety that A, B, and D all apply to Acids and must be false and completely opposite for Bases. That leaves me with the answer C. I don't remember learning about this in particular during Biology but I do believe that if any one was correct it would be that one. <u><em>My final answer is C.</em></u>
The most important mineral for strong bones is calcium. Calcium is the chemical element of atomic number 20, a soft gray metal.
Answer:
calcium