The correct answer is C. Direct democracy.
In it, the people directly vote vote on policy initiatives, unlike nowadays where representative democracy dominates.
The theory that explains the causes of earthquakes and volcanoes is plate tectonics
.
Biosphere reprezents all the living forms
geosphere includes bisphere, hidrosphere and atmosphere
hydrosphere represents the the water on Earth
atmosphere is the gas on Earth, so the correct answer is D - ATMOSPHERE
B I took the test and got it right
2hrs to make twelve bowls