How did the Greek Thinkers contribute to the development of the periodic table?

in 400bc they used the words atom and element and had the  elements of earth water fire and air and they used that to explain

"world stuff"

Explanation:

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: