The sand is the residue and a mixture of salt dissolved in water is the filtrate
B. Exosphere
Prefix "exo" means outside, or outer. So, the exosphere is the outer layer of the Earth, which is not a part of the water cycle.
Decantation
Centrifugation
Filtration
Evaporation
Answer:
Such was the case with the concept of pH, introduced in 1909 by Søren Sørensen as a convenient way of expressing acidity—the negative logarithm of hydrogen ion concentration.Jan 8, 2018
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