Answer:
Toothpastes generally contain the following components: Water (20–40%) Abrasives (50%) including aluminum hydroxide, calcium hydrogen phosphates, calcium carbonate, silica and hydroxyapatite. Fluoride (usually 1450 ppm) mainly in the form of sodium fluoride.
Answer: Evidence based policing
Explanation: Evidence based policing is a practice whose policies and practices are derived from the systematic, scientific study of the effectiveness of various proven methods.
This method is effective and does not give room to chance or probability as it involves making decisions based on facts.
The most important role of youth is to put off parenthood until it is absolutely practical, usually right around 30 yr old. Avoid teen pregnancy through abstinence and birth control methods. Build a culture where it is okay to not have children, one is the norm, and two per couple the maximum.
Explanation:
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