Tantalum, which is highly prized for its use in capacitors for electronic circuits found in most modern electronic devices, comes from the mineral __________.
a. Chromium
b. Calcite
c. Copper
d. Coltan
e. Cobalt
d. Coltan
Environmental & Atmospheric Sciences
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In contrast to a generator, a motor is a
A. rotational counterpart to a generator. B. generator in reverse. C. means of harnessing magnetic induction. D. all the above
Environmental & Atmospheric Sciences
Sedimentary clasts are
A. deposits of sand in a lens shape. B. small sedimentary basins along a river or stream. C. loose fragments of rocks and minerals.
Environmental & Atmospheric Sciences
Peridotite is the main constituent of which part of the Earth?
A) Crust B) Magma chambers C) Rift zones D) Upper mantle
Environmental & Atmospheric Sciences
How many channels are found in complex III of the electron and H+ transport chain?
A) 1 B) 2 C) 3 D) 4
Environmental & Atmospheric Sciences