Answer:
concrete
Explanation:
Researchers think regolith on Mars could serve as a replacement for concrete components. The Mars rovers have used gas chromatography, mass spectrometry, and laser spectrometry to determine the composition of martian soil. Mars regolith is mostly silicon dioxide and ferric oxide, with a fair amount of aluminum oxide, calcium oxide, and sulfur oxide. The composition varies from place to place on the planet’s surface because of variability in asteroid collisions and the weathering by wind and water, in ancient oceans and in some modern water flows. But no spacecraft has returned to Earth with actual samples of the material.
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Answer:
Every four years the American people choose a new president, and 1988 is one of those years.
Explanation:
A fact is quite simply something that has been proven to be true.
The line from President Reagan's address at Moscow State University that is a fact is <u>Every four years the American people choose a new president, and 1988 is one of those years.</u>
Truly, every four years, the Americans cast their votes to choose a new president because they function as a democratic system of government where the citizens have the power to select their leaders.
Answer:
Explanation:
Correct spellings for KOME come "Oh, come in, Mrs. Anglesea.
<span>Im thinkin political document ._.</span>
