Nuclear fusion reactions combine hydrogen to helium
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Sedimentary rock can be transformed into B. Metamorphic rock through heat and pressure.
Answer:
C) The Marianas, Oregon and Washington have had the sea floor bent downward by subduction to make trenches, the trench off Oregon and Washington is filled by sediment eroded from the nearby continent, but the Marianas don't have a nearby continent and so the trench there is not filled with sediment.
Answer:
Correct answer is direct democracy.
Explanation:
Athenians created many institutions, among which the most important one was Assembly (Ecclesia). It brought all important decisions in the country. All males who were citizens of Athens above the age 18 had the right to vote and to participate in the decision making process.
