few topical medications that may be used to treat BCC. Melanoma The most dangerous form of skin cancer‚ these cancerous growths develop when unrepaired DNA damage to skin cells (most often caused by ultraviolet radiation from sunshine or tanning beds) triggers mutations (genetic defects) that lead the skin cells to multiply rapidly and form malignant tumors. These tumors originate in the pigment-producing melanocytes in the basal layer of the epidermis
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Seeing the Invisible A Lesson Giving Students an Opportunity to Discover Ultraviolet and Infrared Radiation Coming from the Sun By: Sallie M. Smith Howard B. Owens Science Center for the ISTP Mission istp.gsfc.nasa.gov/istp/outreach/solar_observation.pdf istp.gsfc.nasa.gov/istp/outreach/student_booklet.pdf 1 Seeing the Invisible - Table of Contents - 5 E’s Lesson Plan ........................................................................................................... 3 Teacher
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deeper layers of skin from the sun’s damaging ultraviolet (UV) rays. These cells are called melanocytes. The melanocytes produce more melanin and cause the skin to tan when time is spent in the sunlight. The melanocytes may start to grow abnormally and can become cancerous if the skin obtains too much ultraviolet light. This condition is commonly known as skin cancer or melanoma. The same effect occurs when the skin is exposed to other forms of ultraviolet light such as a tanning bed. According to Diffey’s
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endings‚ enclosures and other details. Forensic scientists look for point-by-point comparisons in order to determine whether two fingerprints are the same. How are fingerprints discovered at crime scenes? Answer: A device called the Reflected Ultraviolet Imaging System (RUVIS) aims UV light at areas where fingerprints may be. Critical Thinking Of the three types of physical evidence discussed in this unit‚ which one do you think you would be most interested in working with in an investigation
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CULTURE What Makes Us Strangers When We Are Away from Home? Culture – is an abstract concept. You can’t touch it or see most of it‚ and much of it can’t be measured. But it has molded each of us into whom and what we are. The way we dress‚ what we eat for dinner and how we eat it‚ how we speak‚ what color we paint our houses‚ and what we think about these things. - is dynamic and adaptive. COMPONENTS of CULTURE 1. Cognitive Process Learning‚ knowledge and perceiving What people think‚ how
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Donalyn Manalo IV-LAUREL Topic: Atmospheric Phenomenon / Ozone Depletion: Effects to Natural Resources Thesis or Main Idea: Ozone Depletion is an atmospheric phenomenon which destroys the stratospheric ozone layer that shields the earth from ultraviolet radiation which is harmful to life. Outline: I. Introduction II. Causes and Effects of Ozone Depletion A. Causes of Ozone Depletion Human Activities Ozone Depleting Substanc Climate Change Increase
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The ozone layer is a layer in Earth’s atmosphere which contains relatively high concentrations of ozone (O3). This layer absorbs 97–99% of the Sun’s high frequency ultraviolet light‚ which is potentially damaging to the life forms on Earth.[1] It is mainly located in the lower portion of the stratosphere The ozone layer was discovered in 1913 by the French physicists Charles Fabry and Henri Buisson The photochemical mechanisms that give rise to the ozone layer were discovered by the British physicist
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UNIT ONE: Forensic Science II Text Questions Please complete the following questions. It is important that you use full sentences and present the questions and answers when you submit your work. Submit the work as a file attachment. This means you complete all work in a word processing document (e.g.‚ Microsoft Word) and attach the file using the dropbox tool. Use the Unit 1: Text Questions dropbox basket. The answers to the Review & Critical Thinking questions are worth 10 points. Review Questions
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classified into the following classes radio‚ microwave‚ infrared‚ ultraviolet‚ X-rays‚ and gamma rays. The term “radiation” means the emission of energy as electromagnetic waves or as moving subatomic particles. Gamma rays: used in cancer radiation treatments‚ come from radioactive material‚ also from supernova explosions. X-rays used in airports to look inside luggage‚ used for medical diagnostics‚ also created in stars (like our sun).Ultraviolet used to sterilize medical equipment and some foods‚ emitted
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exposure to sunlight‚ especially with a history or severe‚ blistering sunburns‚ increases a person’s risk of developing melanoma. People with a history of at least 10 blistering sunburns are two times more likely to develop melanoma. Exposure to ultraviolet light by using tanning beds also increases melanoma
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