A. Uses the vocab word incorrectly. ‘Exploit’ means to take advantage of which does not make sense in the context of the sentence (the correct word for that sentence is probably ‘explosion’).
B. Is correct because ‘esteem’ means to hold respect for.
Answer:
Natural resources are materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain. Such examples that are found in the United States are gold, silver, copper, nickel, iron, lead, uranium, bauxite, mercury, tungsten, and zinc.