Answer:
The crust is the thinnest layer and what we live on.
The mantle is the biggest layer
The outer core is the only liquid layer
The inner core is the hottest layer
In general, the most materially advanced and developed countries are focused on extensive development of the secondary sector of their economy. Because secondary sector is made up of Construction and Manufacturing, which the advanced and developed countries would like to focus on.
Answer: gold, ivory, and iron
Explanation:
Islam arrived in the inland of Indian subcontinent in the 7th century when the Arabs conquered Sindh and later arrived in North India in the 12th century via the Ghurids conquest