In a solution of hydrogen in palladium, is used as a solute and ___ is used as a solvent.

for points guys

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:

i wish i could but this one is weird give me abc and i can solve it.