Answer: Tectonic plates or plate tectonics
Explanation:
Definition of plate tectonics:
This is a geological theory which states that the earth consist of number of plates which has liquid like substance (lava or magma hot material)in between them that make them float and the move over the mantle and this is where various seismic activity occur. These plates are solid. There are composed of lithospheric material and continental material.
Near these plates it is where the volcanic activity will originate.
Answer:
Explanation:
Modern humans started spreading from Africa to Europe, Asia and Australia some 100,000 years ago – a process that took about 70,000 years. We also know that at some point in the past 25,000 years
Answer:
No. You need a brain/nervous system to operate those muslces.
Explanation:
Answer:
democracy
Explanation:
the us somewhat adapted the voting system in ancient athens, where every man could speak his mind and they too would vote at a large assembly where they meet to create laws.