Answer:1. Subduction 2. Deep-ocean trench 3. B
Explanation:
Did it on edge
The answer is India
The world's population density counted by measuring number of human inhibtants per square kilometers.
From the options above, the country with the highest population density is in India (ranked 7 on the world)
Mammals first appeared during the <span>Mesozoic </span>era.Hope I helped, good luck!'