Answer:
A type of democracy in which people elect their representatives directly.
Ancient Athenians used this type of democracy to elect their leaders when they gather at an assembly.
Answer:
a. visible
d. Gamma ray
Explanation:
Gamma rays is the radiations that arise by atomic decay. The molecules for electro magnet waves which are then converted into gamma rays. The energy that is created by molecules cannot be destroyed. It is absorbed by protons and then CO2 molecule become visible.
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Trade and warfare. Trade can increase the countries wealth where war can destabilize a region leading to economic downturns.
I believe that would be false.