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Magma may cool and freeze to become solid igneous rock: 1. when its dissolved volatiles bubble out.2. faster in the presence of circulating groundwater.3. within weeks to months, if it intrudes at shallow depth.4. very slow(centuries to a million years) when it forms a deep pluton.5. all of the above are true statements.Factors that influence the chemical composition of magmas may include:1. the chemical composition of the source rock2. only partial melting of the source rock.3. melting and assimilation of some of the rock of the magma chamber walls.4. mixing of magmas brought together from different locations.5. all of the above are true statements.Identify the false statement. The youthful Earth had numerous heat sources for igneous activity, including:1. conversion of the kinetic energy of colliding planetesimals to heat energy.2. conversion of the kinetic energy of meteorite impact to heat energy.3. conversion of the kinetic energy of iron alloys sinking toward Earth's center to heat energy.4. decay of all of its radioactive elements; almost none remain today.5. gravity compression of its own mass( compression produces heat).Identify the false statement. Hot solid rock in the Earth:1. may experience decompression melting as it rises to shallow depths.2. may melt if volatiles such as water and carbon dioxide are added.3. may melt if heat is transferred to it from hot mantle rock rising up into the crust.4. must reach a minimum temperature of 1100c before it melts.5. maybe even hotter than surface lava because of the pressure of overlying rock.
We are examining the background of the "Cold War" after the end of World War II and how Europe and the world were divided by the two superpowers. But the term "Cold War" is never truly defined or explained in the text.
Illustrate out and critically discuss tracking in schools. How might tracking impact career choices and cultural acceptance of gendered positions?
Describe a scenario in which a failure to establish boundaries might be responsible for inappropriate behavior on either the part of the client or the counsellor.
Which of the following is true of the Louisiana Purchase? The slave rebellion in Haiti almost persuaded Napoleon not to sell Louisiana because he thought it might benefit France to have land from which to attack the island if necessary.
Write a one page summary of the policy including the purpose, the context of the problem, and any recommendations or suggestions from the policy to address the problem. (Use your summary skills to keep this to one page.)
Write a paragraph about a musician you admire. Proofread it carefully and correct any errors. If you notice you make the same errors more than once, list them below the paragraph.
Illustrate the criminal justice system in a graphic and label the key components. For each component, write about the primary roles in that component, the function and purpose of the component, and the main responsibilities of the component.
Explain whether you agree with the opinion of many Parisians in 1889 that the Eiffel Tower was a ridiculous eyesore that should have been torn down after the World’s Fair.
Compare the geography and location of Sparta on the Pelopnnese peninsula to the geography and location of the Athens on the province of Attica to the north
How is a progressive wave different from a standing wave? must standing waves be orbital waves only, or can standing waves also form in shaken ropes or pushed- and-pulled springs
Knowing a typical water retention curve for sand, fine sand, and a silt loam- Based on the behavior of these soils in terms of moisture content versus negative (suction) pore pressure, discuss briefly in a paragraph or two the advantages and disad..
Which of the following would you most likely find in a speech conclusion?
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