The scientific that deals with the study of the atmosphere is?

Meteorology

Meteorology includes atmospheric chemistry and atmospheric physics with a major focus on weather forecasting.

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:

c. 4.54 x 10–12 j happens to be correct