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>
<span>Air pollution badly affects the health of an individual. Polluted air leads to viral diseases. so the answer is environmental </span><span />
Answer:
B. Dr. O'Malley is obtaining informed consent from his participants. Dr. Quick is debriefing her participants.
Explanation:
Based on the information provided within the question it can be said that in this scenario Dr. O'Malley is obtaining informed consent from his participants. Dr. Quick is debriefing her participants. That is because by telling the participants that the experiment is voluntary and that they can stop at any time, then by continuing to partake in the experiment the participants are providing informed consent. Dr. Quick on the other hand is talking to the participants about the experiment that they have just undergone and what happened, thus debriefing them.
In the ways drugs and supplements are the same are they both have an effect of the body's nervous system and both are psychoactive substances. In the ways they are different, drugs are often used for overcoming a illness while supplements are not necessary and are optional. Hope I helped!
