What is the molar mass of MgCl2

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

The three types is stress that act on earths rocks are compression, tension, and