Answer:
There are clusters of galaxies, and the space between them is filled with hot gas, which can only be seen as X-rays or gamma rays.
When measuring how much gas there is between those galaxies, scientists realized that the material should be around five times what can be detected. That undetected matter is known as dark matter.
Internal conflict entails a psychological war that takes area within a person, because of their own feelings, fears, conflicting desires, or intellectual illnesses.
Inner conflict has a tendency to be a warfare of reconciling opposing forces within the same individual assessment, inner battle is a sort of inner battle that affects the main individual's intellectual and emotional state. for example, a character might also battle with a worry of heights, a choice for energy, or a need to stay up to someone's expectations.
The most apparent form of Inner conflict is the war between two international locations and beliefs. In this sense, it is an instance of person vs character. each soldier needs an equal factor, to live to tell the tale. but they stand in the way of each different's preference to continue to exist.
Inner conflict is a war that occurs outdoors of the man or woman. this will be warfare that is observed in others or outside forces that are inflicting struggle for the character, along with a sad purchaser or an unruly dealer.
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The answer is the 2nd sentence, "John though his sophistication would win the love of Ellen."
Here's why:
abstract noun: a noun denoting an idea, quality, or state rather than a concrete object.
Sentence 1: the noun is "box", a concrete object.
Sentence 2: the noun is "sophistication", which is a quality, not a concrete object.
Sentence 3: the noun is "car", which is a concrete object.
Sentence 4: the noun is "mirror", a concrete object.
