Which statement correctly describes the earth's magnetic field?

a. the geomagnetic south is consistent with a magnetic south.
b. the geomagnetic north is similar to the south pole of a magnet.
c. the earth's magnetic poles are the same magnetic charge at the poles.
d. the earth does not have a consistent pattern of magnetism.

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.