The best sources of fluoride are fluoridated water and beverages made with fluoridated water like tea, coffee, soup juices from concentrate e t c
Explanation:
Fluoride is a mineral that is used in dentistry to make teeth stronger. It is naturally found in sources like water soil, air, rocks e t c.
Fluoride helps fight against cavities in the teeth. It is recommended by dentists to use pastes, which have fluoride in them. In many countries, public water is supplied by adding fluoride to the water.
Fluorides are also used as cleaning agents. They are added to pesticides and also used in the manufacturing of steel , aluminium products e t c.
Excessive use of fluoride lead to side effects. So, they have to be added within permissible limits.
Contraceptive methods are birth control and planning strategies. Withdrawal before ejaculation is the least likely method that prevents fertilization. Thus, option D is correct.
<h3>What are contraceptives?</h3>
Contraceptives are the birth control methods used by males and females to prevent the fertilization of sperm and eggs. Diaphragm, vasectomy, IUD, condoms, withdrawal before ejaculation, etc. are some of the contraceptive methods.
The diaphragm is the barrier method used by females to prevent sperm entry inside the vagina. Similarly, IUD is inserted inside the uterus of the female to prevent fertilization.
Vasectomy is the irreversible contraceptive method in which the vas deferens of the male reproductive system are tied. The withdrawal before ejaculation is least likely to prevent fertilization but is not a reliable method.
Therefore, withdrawal before ejaculation is not an effective contraceptive method.
Learn more about contraceptive methods here:
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There are 7 crystalline systems.
<span>triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal, and cubic.</span>
Answer:
Breakfast: two eggs, orange juice, cheese, ham, and peppers. Lunch: apple, salad, milk, sandwich of your choice.
Explanation:I eat that for breakfast every day in fact I’m about to go eat Rn
