Most marine organisms produce the mineral substance ________, which will later become limestone
A) SiO2
B) SO2
C) H2CO3
D) CaCO3
Answer: D
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An empty roller coaster car at an amusement park takes 3 min to make its ride from start to finish. Neglecting friction, a fully loaded car would take
A) less than 3 min. B) more than 3 min. C) 3 min.
What is one way that polymorph minerals, such as aluminum-silicates, change from one form to another?
A) Temperature and pressure conditions change with depth, causing metamorphosis. B) They break up and change form during resedimentation. C) Other minerals join the polymorphs during contact with igneous intrusions. D) Fluid metamorphosis allows other elements to fit between the main mineral bonds.
What is potable water?
a. water that can be easily transported from place to place b. drinkable water based on established purity standards c. water that contains dangerously high concentrations of dissolved solids d. industrially polluted water e. water that can be used for purposes other than drinking
What is the minimum temperature at which a liquid gives off sufficient vapor to ignite briefly if provided with a source of ignition?
a. Fire point b. Flash point c. Ignition temperate d. Flammable range