Answer:
It includes three main layers: crust, mantle and core.
Explanation:
I think the common between low-latitude countries would be people's skin color and If you compare the Philippines and its neighboring countries, they have more or less similar physical attributes. Typical Filipinos looked similar with Indonesians.
For Southeast Asia, i would also consider religion is common between the two. Both the Philippines and the other Southeast Asian countries such as Indonesia, Malaysia, and Thailand, they have a large number of Muslim settlers while other tropical countries in South America, these countries have similar Spanish ancestry just like the Philippines.
It is difficult to make generalizations about the highland climate zone because little research has been done at high altitudes, and data is not readily available. Without actual data, it would be wrong to make any generalization about the highland climate zone.
Hope this helps
