In which all places are iron ore mines found extensively?
This question has multiple answers.
Brazil is the major manufacturer of high-quality iron-ore in the world. Chile and Peru are the most important producers of copper. Brazil and Bolivia are among the world’s major producers of tin.
There are also huge deposits of gold, silver, zinc, chromium, manganese, bauxite, mica, platinum, asbestos and diamond in South America.
In Indian states of Chhattisgarh, Madhya Pradesh, Karnataka, Jharkhand, Odisha, Goa, Maharashtra, Andhra Pradesh, Kerala, Rajasthan and Tamil Nadu iron ores are found extensively.
Thus, A, B and D are correct.