What percentage of Earth's volume is the metallic core?   Note: The volume of a sphere is  4 3πr3.  Assume the Earth has a radius of 6.38  103 km, and the core has a radius of 3.51  103 km.     ........%

Q: Earth is made of two types of plates. The densest plates are [ Select] and the less dense plates are…

A: Earth is made up of two types of plates. they are 1) Oceanic Plates 2) Continental Plates

Q: What characteristics of lava flows makes them more dangerous or less dangerous than other volcanic…

A: Lava flows : Lava flows are less dangerous than other volcanic eruptions, and the lava flow depends…

Q: Two plates are diverging and both are moving at a rate of 3 centimeters per year. How long will it…

A: Each divergent plate is moving at a rate of 3 centimetres per year. u=3 cm/year   The distance,…

Q: What are the different Earth processes?

A: Earth changes in its own natural ways. Such processes are called earth’s processes. Earth’s…

Q: Earth's surface area is 5.10x10^8 km^2 .Earth's crust has a thickness (or depth) of 35 km and…

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Q: 1. Magnets can stick to 2. Magnetism is 3. The Earth itself is a giant 4. The most common mineral…

A: 1. ans :- magnet can stick to metal , mainly iron . 2 .ans :- magnetism is the force exerted by…

Q: Which part of the Earth is a hot, elastic semi-liquid layer that extends around the entire Earth? A.…

A: Basic Details The layers of earth can be categorized in two ways: mechanically and chemically.…

Q: Which is evidence that supports the dynamo theory? A) Earth's outer core contains liquid that…

A: Which is evidence that supports the dynamo theory? A) Earth's outer core contains liquid that…

Q: Mercury has an average density of about 5.4 g/cm and a magnetic field. Normal rock has a density of…

A: In this question we have to explain the high density and Magnetic field of Mercury. Please give…

Q: The asthenosphere lies just below the core mantle lithosphere

A: Answer              lithosphere

Q: 2. Energy moves through and out of Earth through conduction, convection, and radiation. Match each…

A: Note: As per our guidelines, we are supposed to answer only one question. Kindly repost the first…

Q: 1. Which of the following STILL significantly heats the Earth's interior?   a. bombardment   b.…

A: Answer: The correct option is c.) Radioactivity Radioactivity is significantly playing a major role…

Q: A fossilized leaf contains​ 70% Of its normal amount of​ carbon- 14. How old is the​ fossil? Use…

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Q: The origin of Earth's magnetism is due to moving charges in Earth's? A. liquid inner core B.…

A: Mobility of liquid metal in the outer core of the planet generates electric currents. The rotation…

Q: About how many times more intense is an earthquake that measures 8.3 on the Richter scale than an…

A: To find how many times more intense is an earthquake that measures R1 = 8.3 on the Richter scale…

Q: For a reflection seismic survey, where the subsurface has an average P-wave velocity of 1000m/s and…

A: Velocity of the wave is v = 1000 m/s Time of the seismic wave is t = 10 ms = 10 x 10-3 s

Q: In the figure below, the earthquake occurred 7,100 km from the seismograph. First Earthquake occurs…

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Q: 4b) the average density of the earth is 5.5 g/cm^3. Which has the greater density 1g of uranium of…

A: We are given with average density of earth i.e 5.5 grams per cubic cm

Q: A rift valley is evidence of which kind of plate boundary? A. convergent B. divergent C. transform…

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Q: The average density of Earth is about 5.5 g/ cm? Considering that the densities of the surface rocks…

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Q: Layers of the Earth : Part-Whole Comparisons Name: Directions: use the data table for the average…

A: Given data: The thickness of outer core is t1=2259 kilometers. The thickness of inner core is…

Q: 1. How old is a rock if the mineral biotite from the rock has 85,000 40K atoms and 15,000 40Ar…

A: As per guidelines , only first question is solved here. 1, Given, number of 40K atoms in rocks =…

Q: How does the behaviour of compasses provide evidence that the core of the Earth is magnetic?

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Q: State the dynamic processes of rock formation and deformation, volcanism, and earthquakes within the…

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Q: The thin outer layer of Earth, called the crust, contains only 0.50 percent of Earth’s total mass…

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Q: The Earth has an approximate mass of 5.97*10^24 kg and a radius of 6,300 km. If the crust accounts…

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Q: What is the porosity of the formation if The bulk density of a brine saturated core sample is 1.9…

A: The bulk density of a formation is determined by the matrix density, porosity, and fluids present in…

Q: what

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Q: e A-Classilying 4. upp acceler atebaming.com/studentassignments/14358 ALI Global Login A Classes…

A: Answer (3) -------Extreme heat and pressure from deep within the earth causes changes to rocks…

Q: Effective porosity is 20%. Core bulk volume is 364 cc. Gas Volume is 40.77 СС. Calculate gas…

A: Porosity= 20% Total Volume= 364 cc Pore volume= Vp= porosity × total volume= 20×364/100= 72.8 cc Vg=…

Q: HEIGHT OF A CONTINENT ABOVE THE MANTLE. In the figure below, a simple model considers a continent as…

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Q: What is the inner core mostly made out of

A: Inner core of the earth is mainly molten in state of matter. earth's inner core is very dense. The…

Q: An earthquake occurs 7,375 km from a seismograph. The P-waves arrive 12.2 minutes later. How fast is…

A: Given: The distance of the earthquake is 7375 km. Time taken by the P-wave is 12.2 min. Time taken…

Q: If the Himalayan mountain range is presently 8,000 m in height and is rising at a rate of 0.5 m per…

A: