Vectors B and C are shown in the coordinate plane. Vector F is given by F = 3 + c
33°
5.6
122
4.8
too
c
What is the approximate magnitude of vector F?
O 8.0
O 19
O 10
O 16
O 13

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.