Explanation

The Continental Drift Theory was proposed by Alfred Wegener in 1912, who argued that all continents were once joined together as a single supercontinent called Pangaea, which gradually broke apart and drifted to their current positions. Several geological and paleontological evidences support this theory.

Statement I is correct. Radiometric dating has confirmed that rock formations along the eastern coast of Brazil and the western coast of Africa are remarkably similar in age, type, and structure. This geological continuity across two separate continents separated by the Atlantic Ocean strongly suggests they were once part of a single continuous landmass.

Statement II is correct. Ghana, located on the west coast of Africa, possesses rich gold deposits along its coastline, yet there is no local source rock to account for this mineral wealth. The most compelling explanation is that these gold deposits originated from the Brazil Plateau, which lay directly adjacent to present-day Ghana before the continents drifted apart. This mineral continuity across continents is a significant evidence of continental drift.

Statement III is correct. The Gondwana system of sedimentary rocks — particularly tillite deposits formed from ancient glacial activity — found in India have strikingly similar counterparts in Africa, Antarctica, Australia, Madagascar, Falkland Islands, and South America. These similarities indicate that all these landmasses were once part of a single supercontinent called Gondwanaland, which later broke apart and drifted to their present positions.

All three statements are therefore valid evidences of continental drift.