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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I believe the answer to this question is D. correct as is.
Answer:
i think it is Artificial intelligence
Explanation:
1. Education is a process of imparting and acquiring knowledge through teaching and learning
2. Education is a continuous process which is essential for the physical,mental,social,cultural and moral development of an individual
3.the process of receiving or giving systematic instructions, especially at school or university is called education
4. Education is the process which opens the door of development in other sectors too.
Answer:
Alyssa is so Impassive that her friends never know how she is feeling. *
