Pls to na jutro
Napisz dwoma sposobami reakcję otrzymywania wodorotlenku litu (metoda: metal + woda; oraz tlenek metalu + woda)

the atomic mass is the bottom number on the element.

-steel jelly

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 0.42 is that is an option. this question provides no info