Cathode rays are deflected by?​

Magnetic field

Explanation:

Cathode rays are deflected by a magnetic field. The rays are deflected away from a negatively charged electrical field and toward a positively charge field.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

answer: i dont know the answer but this might

explanation:

l