. The Earth moves in predictable patterns. One of these patterns causes approximately 12 hours of daylight and 12
hours of darkness during a 24-hour period in areas around the
equator. This movement is referred to as —

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:

the answer is 1 i believe

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.