Answer:
Calcium
Explanation:
Calcium is a mineral that is necessary for life. In addition to building bones and keeping them healthy, calcium enables our blood to clot, our muscles to contract, and our heart to beat.
It is true.........................................
1- sabe
2-conoce
3-conozco
4-conoce
5-sabe
6-se
7-saben
8-sabes
9-conoce
10-sabe
11-sabe
12-sabe
13-conozco
14-conoce, sabe
15-saben
16-se
17-conoce
18-sabe
19-conoce
Hope this helps
