[单选题]Which of the following is not true of mineral resources in the United States? A The United States has large deposits of coal, iron ore, natural gas, and petroleum. B The United States does not have to import any minerals from other countries. C Mineral resources of the United States are well developed. D Major mineral resources that are scarce in the United States are tin, manganese, and nickel.
发布时间:2024-05-23 20:10:27