How could sedimentary deposits be formed?
a. Deposited directly as chemical sedimentary rocks (such as banded iron formation)
b. Deposited from seawater and containing salts and other chemicals (example: Evaporite deposits)
c. Other low-temperature ore-forming processes, including steam transport and weathering
d. Deposited near plate boundaries
e. Both a, b, and c
Ans: e. Both a, b, and c
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A) Gravitational interactions between particles B) Gravitational attraction from black holes C) Nuclear fusion joining atomic particles D) Solar winds from nearby stars
Continental polar air masses tend to be
A) cool and wet. B) cool and dry. C) warm and dry. D) warm and wet.
Which of the following is not a direct or an indirect result of glaciation?
a. precipitation changes d. plate motion b. change in sea level e. pluvial lakes c. shift of climate zones
The two fundamental characteristics that distinguish a mineral from all other minerals are its
A. density and streak. B. chemical composition and crystal structure. C. color and hardness. D. hardness and cleavage.