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Revision as of 17:26, 23 April 2021
Nivel de destreza
2
Año
2006
Version
28.11.2024
Autoridad de aprobación
Asociación General
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2
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4a
4b
1. Coelomates (segmented/annelida)
2. Pseudocoelomates (roundworm/nematoda)
3. Acoelomates (flat worm/platyhelminthes)
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The following advise on how to purify water for drinking. Please note that this is general advice; before drinking any water, you should check with local authorities as to its suitability. Be cautious of water containing particulate or solids, or polluted with unknown chemicals.
According to the Red Cross, to purify drinking water use any of the following methods:
1) Boil for five to ten minutes
2) Add ten (10) drops of household bleach solution per gallon of water, mix well and let stand for thirty (30) minutes. A slight smell or taste of chlorine indicates water is good to drink.
3) Add household tincture of iodine in the same manner as bleach above.
4) Use commercial purification tablets, following package directions. Two commercial brand names as Halazone and Globaline
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Note: Such organizations as adra.org and worldwater.org provide information and resources for both parts of this question.
6a
To get you started: Fresh water that is free of organisms, including the parasitic worms we have studied, assists persons in living longer, avoiding disease, and living higher quality lives.
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For fundraising ideas, visit the NAD Pathfinder Forum at http://www.pathfindersonline.org/forum/viewforum.php?f=9.
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John 4 contains the story of the woman at the well who received the instructions from Jesus about receiving living water. Consult the SDA Bible Commentary and your choice of Bible version (www.biblegateway.com) for the complete story. Also, Psalms 1:3 and Jeremiah 17:8
Resources:
- http://devbio.umesci.maine.edu/styler/globalworming/platyhelm.htm
- http://ippc2.orst.edu/mint/nemacycle.htm
- http://news.nationalgeographic.com/news/2005/09/0901_050901_wormparasite.html
- http://www.teachnet.ie/farmnet/Animal_classification.htm
- http://www.adra.org/site/Search?query=water
- http://www.path.cam.ac.uk/~schisto/Nematodes/Ascaris.html