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.
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Answer:
The answer <u>A</u> fits best
<span>Tang would be a strong taste</span>
For this essay you can make a compare and contrast essay that compares women before education and after education the benefits of them getting education or you could research important things women did that w would not have without women like the car heater, fire escapes, electronic fridgerator, dishwasher, heating in general, computer software, etc.