hydraulic washing method is used for heavy or light metals?
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During this process, an upward stream of running water is used to wash the powdered ore. The lighter gangue particles are washed leaving the heavier ore particles. Hydraulic washing is used for ores that have tin or lead, as they are heavier than the gangue.
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Photosynthesis is the process by which plants make food using carbon dioxide, water and sunlight. ... This glucose provides nourishment for the plant. Since many higher life forms depend both on plants to eat and oxygen to breathe, this process is vital to the survival of ecosystems.
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