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slight acidity slight alkalinity excessive alkalinity excessive acidity
The temperature of the water is the most important factor. How quickly the water moves is directly related to the amount of salt. Ocean salinity has little effect on sea life. Various factors combine to cause variations in the salt content of water.
Fresh water may be obtained from fish lifeboat covers or canopies should be washed with rain before drinking water iscollected Fresh water may be collected from condensation inside the life-raft Freshwater cannot be produced from standing seawater
a. How much fresh water is tied up in glacial ice 75 % of the Earth’s fresh water supply. 90% of the Earth’s fresh water supply. Enough to support human beings for 1,000 years. As much as the water from 10,000 trillion metric tons of ic
By treating sea water. By getting it from the surrounding islands. By building a small lake of fresh water inside the city. By transporting it from the mainland.
The viscosity off the fuel The quantity of water to be removed from the fuel The specific gravity of the fuel The quantity of dirt to be removed from the fuel
By treating sea water. By getting it from the surrounding islands. By building a small lake of fresh water inside the city. By transporting it from the mainlan
to cut down the amount of cooling water needed to prevent an excess amount of cooling water from being discharged to the bilges to supply hot water to the evaporator for more economical operation None of the above is tree
from water from the air in the sky from the soil from water, things in the soil and air and sunlight
completely drain the boiler in an emergency prevent sludge from forming in the drum remove floating impurities from the boiler water surface remove settled solids from the water drum
Water discharging from the water outlet of the lube oil purifier Fuel oil discharging from the water outlet of the lube oil purifier Lube oil discharging from the water outlet of the lube oil purifier A change in the lube oil viscosity
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