Which rock type makes up approximately 90% of the Earth's crust
A) sedimentary
B) metamorphic
C) igneous
C
Environmental & Atmospheric Sciences
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_________ organisms need no oxygen to survive. Fill in the blank(s) with the appropriate word(s)
Environmental & Atmospheric Sciences
Photovoltaic cells are commonly used to power
A) lawn mowers. B) lighthouses. C) calculators. D) industrial manufacturing.
Environmental & Atmospheric Sciences
A convergent boundary is usually associated with which physical features?
A) Rift valleys B) Volcanic arcs C) Horizontally displaced rocks D) Submarine trenches E) Volcanic arcs and submarine trenches
Environmental & Atmospheric Sciences
The "D" in DNA stands for which of the following?
A) b-2-deoxy-D-ribose B) b-2-deoxy-L-ribose C) b-3-deoxy-D-ribose D) b-3-deoxy-L-ribose
Environmental & Atmospheric Sciences