20. Brushing your teeth is necessary to avoid tooth decay. What elements
are found in common toothpaste we use to cleanse and wash our
mouth?
A. Calcium and Flourine
C. Chlorine and Oxygen
B. Calcium and Chlorine
D. Chlorine and Flourine
are found in common toothpaste we use to cleanse and wash our
mouth?
A. Calcium and Flourine
C. Chlorine and Oxygen
B. Calcium and Chlorine
D. Chlorine and Flourine
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Answer:
A. Calcium and Fluorine
Explanation:
Toothpaste has calcium and fluorine
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