Environmental Studies

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What is the difference in densities between the upper mantle and the lower mantle? A) 2.7 & ... Started by bcretired	1 Replies 133 Views	Jul 16, 2018 by blazinlyss
Which atom is easier to compress when pressure is squeezing a rock and why? A) Negative ion; it ... Started by meagbuch	3 Replies 37 Views	Jul 16, 2018 by chloejackso
What is the primary method scientists use to determine the layering of the interior of the Earth? ... Started by evelyn o bentley	1 Replies 61 Views	Jul 16, 2018 by Qarqy
Which seismic wave(s) would be most useful in determining the extent and thickness of the Earth's ... Started by vicky	1 Replies 72 Views	Jul 16, 2018 by Anna
Which of the following materials will allow for the fastest transmission of seismic waves? A) ... Started by lilldybug07	1 Replies 61 Views	Jul 16, 2018 by mirabriestensky
Why do seismic waves follow strongly curved paths as they move through the interior? A) Their ... Started by Anajune7	1 Replies 80 Views	Jul 16, 2018 by cascooper22
Where is the thinnest continental crust in North America? A) Appalachian Mountains B) ... Started by Mollykgkg	1 Replies 178 Views	Jul 16, 2018 by nothere
Where is oceanic crust generated? A) Along divergent plate boundaries B) Where volcanic lava ... Started by sam.t96	1 Replies 97 Views	Jul 16, 2018 by JaynaD87
Which layer of Earth makes up more than 82 percent of the volume of the planet? A) Outer core B) ... Started by jenna1	1 Replies 95 Views	Jul 16, 2018 by FergA
How does water get from the surface to the middle of the mantle? A) Percolation via pores and ... Started by Caiter2013	3 Replies 74 Views	Jul 16, 2018 by steff9894
Which layer is thought to be the birthplace of deep mantle plumes? A) Transition zone B) Outer ... Started by mynx	1 Replies 73 Views	Jul 16, 2018 by sultana.d
What materials make up Earth's core? A) Perovskite and silica B) Iron and nickel C) Olivine and ... Started by Evvie72	1 Replies 148 Views	Jul 16, 2018 by ririgirl15
Where is the highest rate of heat flow escaping the Earth's interior? A) At mid-ocean ridges B) ... Started by shofmannx20	1 Replies 59 Views	Jul 16, 2018 by ilianabrrr
What is the average geothermal gradient in the crust? A) 20C/km B) 30C/km C) 45C/km D) ... Started by MGLQZ	1 Replies 75 Views	Jul 16, 2018 by aprice35067
Heat will transfer by ________ in the outer core. A) radiation B) convection C) conduction and ... Started by jenna1	1 Replies 92 Views	Jul 16, 2018 by carolinefletcherr
How is the shape of Earth affected by its rotation? A) Earth is perfectly round. B) The poles ... Started by MGLQZ	1 Replies 86 Views	Jul 16, 2018 by bubulittle310@msn.cn
Why is conduction not an efficient way to move heat through most of the Earth? A) Radioactive ... Started by ereecah	1 Replies 165 Views	Jul 16, 2018 by AaaA
Why might there be density changes between different parts of the same layer of the planet? A) ... Started by naturalchemist	3 Replies 179 Views	Jul 16, 2018 by juwms
________ are responsible for the heat generated in the interior today. A) Meteorite impacts B) ... Started by BRWH	1 Replies 139 Views	Jul 16, 2018 by Expo
What is the average density of oceanic crust? A) 2.7 g/cm3 B) 3.0 g/cm3 C) 3.3 g/cm3 D) 5.6 ... Started by mwit1967	1 Replies 59 Views	Jul 16, 2018 by phuda
The following choices contain densities of various materials. Based on this data, which will yield ... Started by ec501234	1 Replies 51 Views	Jul 16, 2018 by KKcool
Outside of the crust, the layer that scientists know the most about is the mantle. Other than via ... Started by rayancarla1	1 Replies 33 Views	Jul 16, 2018 by nanny
Which process is responsible for Earth's magnetic field? In which layer does this process occur? ... Started by ap345	1 Replies 84 Views	Jul 16, 2018 by heyhey123
If the outer core is cooler than the inner core, why is it in a liquid state? A) It has more ... Started by ap345	1 Replies 123 Views	Jul 16, 2018 by Andromeda18
The inner core and the outer core are compositionally the same. The major difference between them is ... Started by sdfghj	1 Replies 100 Views	Jul 16, 2018 by Danny Ewald