Bacteria can convert nitrogen in the air into a form plants can use
Answer:
In this, the controlled variables are stirring and type of sugar. As more stirring might elevate the amount of sugar that dissolves, and different kind of sugars might dissolve in distinct concentrations. So, in order to make sure a fair test, there is a need to keep these variables similar for each cup of water.
Explanation:
earthquakes produce both body and surface waves which is the fast sesmic wave!!
hope this helps!!
Nutrients enter a cell up the concentration gradient by the process of active transport.
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