Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
Metamorphic rock forms as a result of heat and pressure.
A. heat and pressure.
Answer:
The Von Thunen model of agricultural land use was created by farmer and amateur economist J.H. ... Farmers in the Isolated State transport their own goods to market via oxcart, across land, directly to the central city. Therefore, there are no roads. Farmers act to maximize profits.
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