Biology

Biology, 22.07.2019 14:30, jeancarlo1107

Depending on the kinds and amounts of minerals present in water, water is classified as:

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Geography, 20.07.2019 01:00, estrellaalcantar16

Hydration occurs when minerals are dissolved into water minerals absorb water and expand minerals are turned into rust minerals are removed by frost

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Engineering, 26.07.2019 16:10, bluetigerbird2117

Alocal dairy farmer has a water tank (much like a water tower) on her farm to hold drinking water for her dairy cows. rain water which consists of 95% pure water, 2% minerals, and 3% other materials (such as leaves) collects in the tank. some water is lost through evaporation. the tank consists of a filtration process that creates a waste consisting of 8% water, 3% minerals, and 89% other materials. the drinkable water remaining after filtration consists of 98% pure water and 2% minerals. if the cows need 10,000 lb of water each week, how much rain water (by mass) must be collected weekly in the water tank?

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Chemistry, 24.09.2019 20:50, josephicarusmarrujo

Americans spend up to $100 billion annually for bottled water (41 billion gallons). the only beverages with higher sales are carbonated soft drinks. recent news stories have highlighted the fact that most bottled water comes from municipal water supplies (the same source as your tap water), although it may undergo an extra purification step called reverse osmosis. imagine two tanks that are separated by a membrane that's permeable to water, but not to the dissolved minerals present in the water. tank a contains tap water and tank b contains the purified water. under normal conditions, the purified water would cross the membrane to dilute the more concentrated tap water solution. in the reverse osmosis process, pressure is applied to the tap water tank to force the water molecules across the membrane into the pure water tank. after the reverse osmosis system has been operating for 30 minutes, the solution in tank a would a) be hypotonic to tank b. b) be isotonic to tank b. c) be hypertonic to tank b. d) contain more minerals than tank b. e) move by passive transport to tank b.

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Geography, 14.10.2019 16:30, angvtl02

Me. i will choose the brainiest answer! what is one difference in how rocks and minerals are classified? a.rocks are classified by their color. b.minerals are classified by their density. c.minerals are classified by the type of grain. d.rocks are classified by how they form.

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