Mafic igneous rocks are ____
a. high in silica and low in heavy minerals
b. low in silica and high in heavy minerals
c. high in silica and high in heavy minerals
d. low in silica and low in heavy minerals
e. only low in silica
b
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The effectiveness of cloud seeding is
A) widely debated B) generally accepted C) highest in areas that typically receive extremely high rainfall D) highest in remote oceanic areas
The airborne material ejected from a volcano is termed________
A) lava B) magma C) silica D) granite E) pyroclastic material
How many years of stress were relieved by the 1906 earthquake, if the speed of movement has been 5.6 cm/yr?
The 1906 San Francisco earthquake resulted in a maximum 8.5 m (28 ft) of movement along the San Andreas Fault around Point Reyes. What will be an ideal response?
The sum of all the chemical reactions that take place inside cells is called?
A. Cellular respiration B. Energy C. Metabolism D. Thermodynamics