Answer:
1.The Philippines, an archipelago of 7,100 islands, is made up of 77 provinces grouped into 16 regions. The main groups include Luzon, the Visayan islands, and the Mindanao islands. Based on religion, the population may be grouped into three broad categories: Christian groups, indigenous religion groups, and Muslim groups. The Christian groups are the largest and are concentrated in the lowlands of Luzon and the Visayan islands. Indigenous religion groups are found in upland northern Luzon, Mindanao and Palawan. Muslim groups are concentrated in Mindanao, the Sulu islands and southern Palawan.
Explanation:
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