the magnetic field vector 
A. The vector points in the +x direction.
B. The vector points in the -x direction.
C. The vector points in the +y direction.
D. The vector points in the -y direction.
E. The vector points in the +z direction.
F. The vector points in the -z direction.
T. The vector is zero.
F. The vector points in the -z direction.
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In which of the following cases would the tragedy of the commons apply?
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In stress relaxation the plastic strain
(a) Is constant (b) Increases with time (c) Decreases with time (d) Is equal to the negative of the elastic stain
Gamma ray bursts are ____
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If two stars are the same size and one is twice the temperature of the other, how much more luminous is the hotter one?
What will be an ideal response?