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.
Biotechnology can be safe, but potential risks exist and the danger is vast but biotechnology could help address many global problems, such as climate change and infectious diseases. It could possibly help in many different science fields too. I don’t think it should be banned because it has such a big importance especially that it implications in health and medicine.
Answer:
A sonogram and lithotripsy
Explanation:
Egd.
-Ultraviolet (UV) exposure – The sun is the most well-known source of UV radiation, but UV rays also come from tanning beds and other artificial sources.
-Genetics – Some risk factors of skin cancer can be inherited through our DNA.
-Immunosuppression – Some conditions, like AIDS, and certain medications, such as those provided after organ transplants, can suppress the body’s immune system and might contribute to the development of skin cancer.
-Radiation exposure – In addition to UV, there are other forms of radiation that may adversely affect the skin cells, such as X-rays or therapeutic radiation.
-Toxic sunscreens -- Most sunscreens block the absorption of Vitamin D with toxic chemicals that seep through the skin and into the bloodstream and all throughout your body. Using these toxic sunscreens could actually cause cancer. Some toxic ingredients that are in these kinds of sunscreens: oxybenzone. benzene, parabens, homosalate, octinoxate, and octocrylene
Caucasians are more at risk for skin cancer because they have less melanin produced in their skin. Lighter skin tones produce less melanin and are more prone to damaged DNA particulate from UV radiation.
I would say C, it’s the same OCD. Which is a form of forced thoughts, and it’s his thoughts that tells him he HAS to flush. Even though he’s just wasting water and money.
