What is water called when it has a high concentration of iron, magnesium, or
calcium?
hard<...
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Biology, 21.06.2019 14:30
What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk
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Biology, 21.06.2019 19:20
Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?
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Biology, 22.06.2019 05:30
Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor
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