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exis [7]
3 years ago
12

Shallow pumping wells can often supply drinking water at a very low cost, but have a greater risk of contamination compared to d

eeper wells. Why?
Chemistry
2 answers:
aleksley [76]3 years ago
7 0

hey i'm late but if any of other readers need help on this question here it is Surface impurities easily reach the shallow water source.  ask me if you need any help why

zlopas [31]3 years ago
5 0

The deeper the the water is the freasher/ cleaner it is

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Britta traveled 1250 km on her road trip and used 209 L of gasoline, filling her tank atan average of 1.14 euros per liter. Pier
icang [17]

Answer:

  • Britta paid more per kilometer driven

Explanation:

<u>1) Britta:</u>

  • Distance traveled: 1,250 Km
  • Gasoline used: 209 liter
  • Gasoline price: 1.23 euros / liter

Cost per km = total cost of gasoline / distance traveled

Cost per km = gasoline used × gasoline price / distance traveled

Cost per km = 209 liter × 1.14 (euro / liter) / 1,250 km =  0.19 euro / km

<u>2) Pierce:</u>

  • Distance traveled: 1,405 km
  • Gasoline used: 175 liter
  • Gasoline price = 1.23 euros / liter

Cost per km = 175 liter × 1.23 (euro / liter) / 1,405 km =  0.15 euro / km

<u>3) Comparison:</u>

  • 0.19 > 0.15 ⇒ Britta paid more per kilometer driven
4 0
4 years ago
Most of the minerals in the Earth’s crust are a type of what mineral? A. mica B. gem C. metal D. silicate
tigry1 [53]
It would be D. silicate
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3 years ago
Write any two uses of fractinal distillation​
lubasha [3.4K]

Answer:

Fractional distillation is used for the purification of water as well as separating acetone and water.

Fractional distillation is used in several industries like oil refineries and chemical plants mainly for purification and separation of many organic compounds.

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Which determines the reactivity of an alkali metal?
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Answer:

its ability to lose electron

3 0
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Plants contain xylem and phloem tissues for carrying water and food. What organ system in animals performs a similar function as
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digestive system may be the answer

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