Toothpaste<span> is used to promote oral hygiene: it serves as an abrasive that aids in removing the </span>dental<span> plaque and food from the </span>teeth<span>, assists in suppressing halitosis, and delivers active ingredients (most commonly fluoride) to </span>help<span> prevent </span>toothdecay (dental<span> caries) and gum disease (gingivitis).</span>
Okay, i will need more info on the first question more, that way I cna answer both!
<span>In a vasectomy: both ends of the vas deferens are sealed closed.</span>
Second Hand Smoke is the correct answer