Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?
A) swirling movements of the molten iron particles in the outer core
B) heat transfer between the earth's interior and the surface of the earth
C) gravitational attractive forces of the Sun and Moon
D) electrical and magnetic fields localized in the inner core
B
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Current in a conductor can be increased by
A. reducing its resistance. B. increasing the voltage across it. C. both of these D. neither of these
Productivity is higher at a surface convergence than surface divergence.
Answer the following statement true (T) or false (F)
What type of alcohol is formed by the hydration of 2-methyl-2-butene?
A) primary B) secondary C) tertiary D) None of these, the product is not an alcohol.
The scale of 1:63,360 is the same as one inch equals ________
A) one foot B) one mile C) one furlong D) one meter E) one yard