GLY2010 Midterm Exam Questions with 100% Correct Answers
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Course
GLY 2010
Institution
GLY 2010
GLY2010 Midterm Exam Questions with
100% Correct Answers
What is geology? - a branch of natural science concerned with THE
EARTH and other astronomical objects, THE ROCKS of which it is
composed, and the processes by which they change over TIME
what is science? - TESTABLE explanations and pred...
-clumps grow and develop into gravitational fields
-clumps from planets
heliosphere - ✔✔The region of space where solar wind has a significant
influence. Encompasses the entire solar system.
magnetosphere - ✔✔region of space where the dominant magnetic field is
the magnetic field of earth rather than interstellar space
Why is Earth magnetic? - ✔✔geodynamo (molten core)
van allen radiation belts - ✔✔radiation belts surrounding Earth that protect
us from harmful radiation of the Sun
earths early atmosphere - ✔✔Mostly H and He
Earths Hadean Atmosphere - ✔✔from volcanic and tectonic degassing
-major greenhouse gasses
hydrosphere - ✔✔water on earth including both surface and ground water
cryosphere - ✔✔portions of the earth where water is in solid form: snow
cover, floating ice
biosphere - ✔✔the regions of the surface, atmosphere, and hydrosphere of
the earth occupied by living organisms
chemical layers of earth - ✔✔crust-mantle-core
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