Answer:
The city was taken off the Detroit water system to save money.
Answer: B. Osmosis Across a Membrane
The movement of water across a gradient is called osmosis.
Answer:
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Explanation:
The variable that researchers manipulate is the independent variable.
The reason for this is because in experiments different manipulations are often introduced. The sole purpose of these manipulations is to see whether they will affect our independent variable and if they will change its value.
