i believe the answer would be self directed .
Coal: N
Gold: N
Oxygen: R
Petroleum: N
Soil: R
Trees: R
Uranium: N
hope this helps, and sorry if some of these are incorrect:)
The relationship between voltage, current, and resistance is described by Ohm's law. This equation, i = v/r, tells us that the current, i, flowing through a circuit is directly proportional to the voltage, v, and inversely proportional to the resistance, r.
The concepts of figure-ground relationship, law of continuity, and principle of closure is Gestalt principles.
<h3>What is Gestalt principles?</h3>
Gestalt principles is a school of thought in psychology that involves figure-ground relationship, grouping by proximity or similarity, law of continuity, and closure are all used to help explain how we organize sensory information.
Thus, the concepts of figure-ground relationship, law of continuity, and principle of closure is Gestalt principles.
Learn more about Gestalt principles here: brainly.com/question/24915896
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