A ________ is a solid, naturally occurring, cohesive substance composed of minerals or mineral-like materials
A) tetrahedron
B) mineral
C) rock
D) mixture
Answer: C
Environmental & Atmospheric Sciences
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Most of the compaction during subsidence due to fluid withdrawal takes place in:
a. permeable sandstone strata b. sand and gravel beds c. in silt and clay beds of low permeability d. limestone strata
Environmental & Atmospheric Sciences
On Mohs' scale of hardness your fingernail has a value of ________.
A. 5 B. 2½ C. 9 D. 6½ E. 12
Environmental & Atmospheric Sciences
________________ added to the atmosphere since 1750 is the largest contributor to change in radiative forcing
Fill in the blank with correct word.
Environmental & Atmospheric Sciences
A glacial valley drowned by rising sea level is
A. a tombolo B. a headland C. a fiord D. an estuary
Environmental & Atmospheric Sciences