Oceanic crust is more dense which makes it subduct and continental crust is less dense which makes it override the oceanic crust during subduction
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!
You need physical map to check the amazon river
Roses belong to the Plantae Kingdom, or the Plant kingdom.
You (human) belong to Animal or Animalia kingdom. (This is because you are a mammal, just like a pig or tiger)
Mushrooms belong to the Fungi kingdom.