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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Apply thoroughly to avoid skin damage
To show that Derek succeeded in using the dream machine to complete his his project.
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Answer:
A. by repeating the ideas
Explanation:
if a diary is centered on the theme of self-affirmation, then the theme can be seen in conflicts developed by the diarist, or when the character has to make choices. Therefore, the correct answer is that a theme in diary is developed by the diarist by repeating the ideas in different ways.
I Think The answer is c or d I hope it helps My friend Message Me if I’m wrong and I’ll change My answer and fix it for you