Answer:
What is one way that testing helps scientists determine which solution for a problem works best? A Testing allows scientists to choose a solution without having to spend time thinking about it. B Testing allows scientists to rely on abductive reasoning rather than inductive and deductive reasoning.
Explanation:
Answer:
A combination of a verb and an adverb or a verb and a preposition, or both, in which the combination has a meaning different from the meaning of the words considered separately : "Catch on " is a phrasal verb meaning of understand.
China.
The Silk Road is a trading route from the Middle East to China, and the ancient civilizaitons practiced ancestor worship. The Mandate of Heaven dictates that good weather and general prosperity are because of divine approval of the leader of China. If there is famine, invasion, or other natural disasters, it was interpreted as needing a new ruler, aka losing the mandate of heaven.