In die breë gesien, word energie in Suid-Afrika ondoeltreffend en onvolhoubaar verbruik. Die land se geraamde bydrae van twee persent tot die wêreld se koolstofdioksiedproduksie dra buite verhouding hoog by tot die kweekhuis-effek en mensgemaakte klimaatsveranderinge. Volgens die VN is Suid-Afrika per capita die wêreld se hoogste vrysteller van koolstofdioksied. Die land se algemene energiebeleid moenie gerig wees op die opwekking en verkoop van meer krag nie, omdat dit tot meer besoedeling sal lei. Die aanvraag na elektrisiteit moet eerder beter beheer word om uiteindelik die totale verbruik te verminder.
Meer as ‘n driekwart van Suid-Afrika se energie word van steenkool verkry, met die gevolg dat die land se afhanklikheid van hierdie nie-hernubare hulpbron van die hoogste in die wêreld is. Suid-Afrika beskik egter oor enorme steenkoolreserwes van oor die 58 000 miljoen ton. Ongeveer die helfte van die steenkool wat plaaslik ontgin word word gebruik vir kragopwekking. ‘n Kwart word gebruik om vloeibare sintetiese brandstowwe deur middel van die Sasolproses te vervaardig, terwyl die ander kwart direk deur nywerhede of in huise verbrand word om hitte te verskaf.
Al die groot steenkool-kragstasies is binne ‘n radius van 150 km van die grootste steenkolmyne in die Oos-Transvaalse Hoëveld geleë. Dit lei tot lugbesoedeling wat volgens sekere wetenskaplikes gelyk is aan die ergste in die wêreld.
Lugbesoedeling hou uiters nadelige gevolge vir die omgewing in, veral aangesien ‘n aansienlike deel van Suid-Afrika se vrugbare landbougrond en kommersiële, plantasies, sowel as sowat 25 persent van sy oppervlak-afloopwater, binne hierdie streek val. Direkte steenkoolverbranding deur nywerhede en swart dorpsgebiede wat nie elektrisiteit het nie, veroorsaak ook aansienlike lugbesoedeling, wat op sy beurt weer bydra tot omgewings- en gesondheidsprobleme.
Aktiwiteit 1:
Om konsepte te verklaar wat verband hou met energie
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1. Identifiseer die drie natuurlike hulpbronne wat volgens die teks nie-volhoubaar gebruik word en omskryf hul betekenisse:
2. Hoekom is dit so dat die helfte van die bevolking van SA van brandhout as ‘n energiebron afhanklik is?
3. Verduidelik die volgende:
Sintetiese brandstof
Kweekhuiseffek
Volhoubaarheid
Mensgemaakte klimaatsveranderinge
‘n Groot omgewingsprobleem is die feit dat nagenoeg die helfte van Suid-Afrika se bevolking tans aangewese is op die nie-volhoubare verbruik van brandhout as energiebron. As die huidige verbruik voortduur, kan alle natuurlike bosse in die voormalige tuislande teen die jaar 2020 gestroop wees.
Hoewel kernkrag as ‘n potensiële kragbron steun geniet, is elektrisiteit wat by die Koeberg-kragsentrale opgewek word duurder as dié in die nasionale netwerk.
Daar is ook nog groot, onopgeloste omgewingsprobleme wat betref die berging van gevaarlike kernafval.
Aktiwiteit 2:
Om maniere te vind om hulpbronverbruik te verminder
Communication is effective because it allows individuals to share ideas, thoughts, and information with others.
effective communication can lead to improved outcomes in various settings, including personal relationships, business environments, and educational settings. By communicating effectively, individuals can negotiate effectively, solve problems collaboratively, and work towards common goals.
it starts up serve and return practice/assessments.it helps find voice talking therapy also assessments through relaxed conversation.
miss
Every time someone flushes a toilet in the apartment building, the person begins to jumb back automatically after hearing the flush, before the water temperature changes. Identify the types of learning, if it is classical conditioning identify the NS, UCS, CS and CR. If it is operant conditioning, identify the type of consequence positive reinforcement, negative reinforcement or punishment
nature is an hereditary factor while nurture is an environmental factor which constitute an individual personality. so if an individual's parent has a deviant behavior and was also brought up in an deviant environment, observation of the behavior and the inborn trait we make the individual deviant.
Samuel
I am taking this course because I am hoping that I could somehow learn more about my chosen field of interest and due to the fact that being a PsyD really ignites my passion as an individual the more I hope to learn about developing and literally explore the complexity of my critical thinking skills
hello. autism is a umbrella term. autistic kids have different disorder overlapping. for example. a kid may show symptoms of ADHD and also learning disabilities.
before treatment please make sure the kid doesn't have physical disabilities like hearing..vision..speech problem. sometimes these
Jharna
continue..
sometimes due to these physical problems..the diagnosis may be misdiagnosed.
treatment for autism.
well it depends on the severity.
since autistic kids have problems in communicating and adopting to the environment.. it's best to expose the child in situations where the child
Jharna
child interact with other kids under doc supervision.
play therapy.
speech therapy.
Engaging in different activities that activate most parts of the brain.. like drawing..painting. matching color board game.
string and beads game.
the more you interact with the child the more effective
Jharna
results you'll get..
please consult a therapist to know what suits best on your child.
and last as a parent. I know sometimes it's overwhelming to guide a special kid.
but trust the process and be strong and patient as a parent.
Jharna
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