the answer to your question is a waterclock, hope that helped :-)
Scientific ideas don't need to be published in an encyclopedia: rather, they need to be published in a peer-reviewed journal.
Also, public acceptance is not relevant: global warming is accepted in the scientific community despite a lack of popular acceptance.
The correct answer is: They are new ideas. (and once they're accepted they can become laws).
The correct answer is the fourth century B.C.
The <span>three branches of government (the legislative, executive, and judicial) originated in the 4th century B.C. when the philosopher, Aristotle, described the three agencies and powers the government holds. Since then, this model of government is prevalent and dominant throughout the world. </span>