Which silicate mineral is the most abundant in the Earth's crust?
a. basalt
b. feldspar
c. obsidian
d. magnetite
e. calcite
Q. 2 -
Most of the rocks of the Earth's crust are made up of which of the following mineral groups?
a. silicates
b. oxides
c. carbonates
d. tungstates
e. vanadates
Q. 3 -
Which of the following is NOT part of the general definition of a mineral?
a. narrow range of chemical composition
b. crystalline character
c. inorganic
d. naturally occurring
e. amorphous
Q. 4 -
Most of the mass of an atom is located in its:a.
protons.
b. electrons.
c. outer orbits.
d. nucleus.
e. ions.
Q. 5 -
A variety of an element that is heavier than normal because of the presence of extra neutrons is called
a(n):
a. molecule.
b. electron.
c. ion.
d. isotope.
e. heavy atom
Q. 6 -
Cities occupy a very small percentage of the overall volume of the planet that contributes to Earth's
climate. The volume of the atmosphere, hydrosphere, and uppermost part of the lithosphere are
enormous compared to the small volume of cities.
Q. 7 - Why is it that the urban heat island effect contributes very little to overall atmospheric warming? What will be an ideal response?
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