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Answer:
17. Eutrophication, dystrophication or hypertrophication, is the process by which a body of water becomes overly enriched with minerals and nutrients which induce excessive growth of algae. This process may result in oxygen depletion of the water body after the bacterial degradation of the algae.
18. Communicable diseases are illnesses caused by viruses or bacteria that people spread to one another through contact with contaminated surfaces, bodily fluids, blood products, insect bites, or through the air. There are many examples of communicable diseases.
e. g. Hepatitis A
19. Loss of Habitat
One of the most dangerous and unsettling effects of deforestation is the loss of animal and plant species due to their loss of habitat.
Increased Greenhouse Gases
In addition to the loss of habitat, the lack of trees also allows a greater amount of greenhouse gases to be released into the atmosphere.
Water in the Atmosphere
The trees also help control the level of water in the atmosphere by helping to regulate the water cycle. In deforested areas, there is less water in the air to be returned to the soil. This then causes dryer soil and the inability to grow crops.
Soil Erosion and Flooding
Further effects of deforestation include soil erosion and coastal flooding. Trees help the land to retain water and topsoil, which provides the rich nutrients to sustain additional forest life.
20. Basic Cholera control Prevention Steps
1. Make sure to drink and use safe water to brush 2. your teeth, wash and prepare food, and make ice. ...
3. Wash your hands often with soap and safe water* ...
4. Use latrines or bury your poop; do not poop in any body of water. ...
5. Cook food well (especially seafood), keep it covered, and eat it hot.
Explanation:
ᴡʜᴇɴ ɪᴛ ɪs ʀᴀɪɴɪɴɢ ᴠᴇʀᴛɪᴄᴀʟʟʏ ᴅᴏᴡɴ,,ᴛᴏ ᴀ ᴍᴀɴ ᴡᴀʟᴋɪɴɢ ᴏɴ ᴛʜᴇ ʀᴏᴀᴅ,ᴛʜᴇ ᴠᴇʟᴏᴄɪᴛʏ ᴏғ ʀᴀɪɴ ᴀᴘᴘᴇᴀʀs ᴛᴏ ʙᴇ 1.5 ᴛɪᴍᴇs ᴛᴏ ʙ ʜɪᴛs ᴠᴇʟᴏᴄɪᴛʏ. ᴀᴛ ᴡʜᴀᴛ ᴀɴɢʟᴇ ᴡɪᴛʜ ᴛʜᴇ ᴠᴇʀᴛɪᴄᴀʟ ʜᴇ ʜᴀs ᴛᴏ ʜᴏʟᴅ ᴛʜᴇ ᴜᴍʙʀᴇʟʟᴀ ᴛᴏ ᴘʀᴏᴛᴇᴄᴛ ʜɪᴍsᴇʟғ ғʀᴏᴍ ʀᴀɪɴ