PPT-Weathering, Soil, and Wasting

Unit 7 notes Weathering What is it Disintegration and Decomposition of rocks Where does it happen At or near the surface of the Earth Weathering What does this process look like Weathering. formation of landforms. weathering and erosion. The process of weathering and erosion are the main forces behind landscape types. . However, they are not the only reason for a plain, plateau, or a mountain region to form. . Topics of Discussion . What Is Wasting?. Defining HIV Wasting. . CDC Definition of HIV Wasting. Limitations for Diagnosis . Definitions of HIV Wasting in the HAART Era. Prevalence of HIV Wasting. Determinants of ≥ 5% Weight Loss Among HIV-Positive Participants in the NFHL Study: Final Multivariate Model . Erosion. The carrying weathered rock from one location to another . Mechanical Weathering. Rock is physically broken down. Smaller pieces have same composition. Chemical Weathering. Rock is chemically broken down. Weathering. Chemical Weathering. Hydration: chemical reaction that consumes H. 2. O [ 2KAlSi. 3. O. 8. 2H. 2. CO. 3. H. 2. O = Al. 2. Si. 2. O. 5. (OH). 4. 4SiO. 2. 2K. . 2HCO. 3. -. ]. What Is An . Ecoregion. ?. Ecoregion. - . a major ecosystem with distinctive geography, characteristic plants and animals, ecosystems, and receiving uniform solar radiation and moisture . Sometimes called an ecological region or bioregion. Predict how weathering might reshape surface features (topography). Weathering and Erosion. The top part of the lithosphere—the earth’s surface—changes as rocks are broken down to smaller pieces and carried away.. Weathering can be defined as any. chemical or mechanical process by which rocks exposed to weather undergo changes in character or are broken down into smaller pieces. .. Mechanical Weathering. Mechanical Weathering. HAIVN. Harvard Medical School AIDS Initiative in . Vietnam. By the end of this session, participants should be able to:. Define wasting syndrome and list common etiologies in HIV-infected children. Review algorithmic approach to wasting syndrome. After Unit 9 you should be able to:. Accurately identify common types of weathering. Understand what types of weathering are associated with certain climatic conditions. Be able to identify resistances to weathering in bedrock diagrams. August 2021 FREQUENTLY ASKED QUESTIONS What is Chronic Wasting Disease? Chronic Wasting Disease (CWD) is a neurological disease that affects species the deer family (cervids), including deer, elk , Belay ED, Maddox RA, Williams ES, Miller MW, Gambetti P, Schonberger LB. Chronic Wasting Disease and Potential Transmission to Humans. Emerg Infect Dis. 2004;10(6):977-984. https://doi.org/10.3201/eid1006.031082. weathering and erosion. The process of weathering and erosion are the main forces behind landscape types. . However, they are not the only reason for a plain, plateau, or a mountain region to form. . What is Weathering?. The scenes of the world are continuously mutating. Sun, rain, frost, and wind are breaking down even the most solid of the rocks into smaller bits before they are taken away. This process is termed as weathering. . . Earth. ’. s external processes. Weathering. . –. the . physical breakdown. and / or . chemical alteration. of rock at or near Earth. ’. s surface. Mass wasting. . –. the . transfer. of rock and soil .