The answer would be A. distribution of mineral deposits.
This is because the amount of minerals found in a particular region can affect the economy because of the possible exporting of that material.
Madagascar is off the East coast of southern Africa
Both Australia and Fiji are located to the South of the Equator, and quite close to each other. Fiji is located more to the North than New Zealand, but it is, just like New Zealand, to the west of Australia, so the statement that Australia is to the West of Fiji is false!
D. Tundra as it is below the Equator and warm, there is the amazon rainforest and grassland is rural areas and well as Savannahs’ which are relatively close to grassland