"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
It's just us trying to start a movement where everybody passes on a bit of cooking knowledge. We estimate that one person can potentially affect 180 others very quickly so we're just trying to spread the word.
The Earth's core consists of two layers, an outer-layer and an inner-layer. Although the specific percentages are unknown, both the outer and inner layers of the Earth's Core consist of mainly Iron and Nickel.
