The appropriate answer is a. the temperature is high enough but pressure low enough to melt iron. The earth's core is composed of two layers; the inner and outer core. Both layers are composed mainly of iron and nickel. The main difference between the two layers is that the inner core is solid and the outer core is liquid. The inner core is solid because of the pressure created by the overlaying layers; the outer core, mantle and the crust. The inner core is however hotter than the outer core.
The correct answer is - B. Large sandstone formation in the barren outback of Central Australia.
The Ayers Rock, or Uluru in the native language, is a large sandstone formation in the barren outback in the central part of Australia. This rock is actually one of the trademark natural features of Australia and it is a big tourist attraction, but also a sacred place for the indigenous people of the tribe Pitjantjatjara Anangu. The rock has lot of ancient paintings on it, as well as nice surroundings with lot of springs, waterholes, and rock caves. The Ayers Rock/Uluru is listed as a UNESCO World Heritage Site, and this natural feature is in a national park.
There all correct...........
Nepal. Bhutan Thailand, there are many more.