Answer:
The correct term is - extrinsic stain.
Explanation:
Extrinsic stains are normally present on the surface of a tooth and occur due to taking pigmented beverages such as coffee, tea, carbonated drinks, caramel coloring, and foods. Smoking cigarettes is also one of the reasons that can cause an extrinsic stain.
This can be removed by dentists or professionals like hygienists. The stain particles act on the outer surface of the teeth and pigmented them which cause stain yellowish or brownish in individuals.
Thus, the correct answer is - extrinsic stain.
ANSWER- can we have a list to chose from Explanation:
A primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
<h3>What is antigenic drift?</h3>
Antigenic drift is a phenomenon that causes small changes or mutations in the genes of influenza viruses leading to changes in their surface proteins of the virus, which are HA (hemagglutinin) and NA (neuraminidase).
For this reason, new influenza vaccines are produced yearly to alter the effects that may emerge as a result.
Thus, a primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
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Answer:
i think no try another one
Exercise may reduce the risk of cancer by encouraging the body to process and remove toxic substances.
For most healthy adults, the branch of fitness and Human offerings recommends these exercising suggestions: aerobic activity. Get at least 150 mins of moderate aerobic pastime or 75 mins of energetic cardio hobby a week, or an aggregate of slight and vigorous pastime.
Regular physical activity can enhance your muscle power and improve your endurance. exercise offers oxygen and nutrients in your tissues and allows your cardiovascular gadget paintings extra efficiently. And whilst your heart and lung health enhance, you have got greater power to address each day's chores.
A. health-associated components of physical fitness. There are 5 additives to bodily fitness: body composition, flexibility, muscular electricity, muscular endurance, and cardiorespiratory patience.
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