Answer: A scientist collecting a core sample from 60 km deep in Earth will find that the sample mainly consists of granite (option C).
Explanation: As one goes from the surface of the Earth towards the Earth's core, for the first 70km to 100km, it is the solid crust called as Lithosphere. Asthenosphere separates the Lithosphere from Mantle and it occurs at a much deeper level.
In the Lithosphere, which is the solid zone, there are elements like Silica, Aluminium, Iron, Calcium, Sodium , Potassium. Silica forming the highest proportion, is formed by granite. This is mainly formed due to the solidified lava, which rises to the surface and due to contact with water in the ocean base or in contact with low atmospheric temperature, this mineral-rich lava cools down and solidifies. Thus, it is rich in granite.
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Significant dates of observations, studies, and exploration go back to the 1600s and continue until today.
•1609 Thomas Harriot observes the Moon, makes drawings, and makes the first maps of the Moon.
•1609 Galileo Galilei publishes his scientific observations of the Moon.
•1959–1976 Russia completes 17 robotic missions on the Moon; Russia is the first to see the far side of the Moon and gather three samples.
•1961–1968 The United States completes three robotic missions and leads the way for future Apollo missions to the Moon.
•1969 Neil Armstrong is the first man to walk on the Moon.
•1994–1999 Lunar missions collect evidence of water ice at the lunar poles.
•2007–2008 Japan and China start one year missions to orbit the Moon.
•2008 NASA forms the Lunar Science Institute to lead research and lunar exploration.
•2009 The United States returns to lunar exploration with the Reconnaissance Orbiter and the LCROSS being launched.
•2011 NASA launches a spacecraft to study the surface and interior composition of the Moon.
•2013 NASA launches a spacecraft to study the atmosphere of the Moon.
•2013 China lands a robotic spacecraft on the Moon.
Look at the list of Moon explorations. Choose one you find interesting. Why do you think it was important?
One exploration that I find interesting is the Apollo 11 mission in 1969, where Neil Armstrong became the first man to walk on the Moon. This mission was important for several reasons:
1. It marked the first time humans had set foot on another celestial body and marked a major achievement in space exploration.
2. It was a major achievement for the United States during the Cold War, showing that the US was technologically advanced and capable of achieving ambitious goals.
3. It brought the world together, as people of all nations watched the event unfold on television.
4. It inspired future generations to pursue careers in science, technology, engineering, and mathematics, and also sparked interest in space exploration and research.
5. It also led to a better understanding of the Moon's surface, geology, and environment, which in turn led to further scientific discoveries and technological advancements.
This mission was a major milestone in human history, and it continues to inspire and motivate future generations to explore and understand the universe.
Answer:
One exploration that I find interesting is the Apollo 11 mission in 1969, where Neil Armstrong became the first man to walk on the Moon. This mission was important for several reasons:
1. It marked the first time humans had set foot on another celestial body and marked a major achievement in space exploration.
2. It was a major achievement for the United States during the Cold War, showing that the US was technologically advanced and capable of achieving ambitious goals.
3. It brought the world together, as people of all nations watched the event unfold on television.
4. It inspired future generations to pursue careers in science, technology, engineering, and mathematics, and also sparked interest in space exploration and research.
5. It also led to a better understanding of the Moon's surface, geology, and environment, which in turn led to further scientific discoveries and technological advancements.
This mission was a major milestone in human history, and it continues to inspire and motivate future generations to explore and understand the universe.
what is not a step in the process of sediment forming into sedimentary rock?
weathering & erosion, distribution, transportation, compaction
Answer:
Distribution.
Explanation:
weathering & erosion, transportation, and compaction are part of the process of forming sedimentary rock.
