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a. The creation is a solution. If you can dissolve powdered substances in water f</span>ully, it will result in a mixture called solution. Solutions are transparent while suspensions may look murky, which particles setting at the bottom of the container. In a solution, the powdered substance is the solute, and water is the solvent.
When soil available nitrogen is low, yield and protein content will be low. As nitrogen is applied beyond these levels the wheat plant will no longer use it to