What kind of radioactive element is useful for dating an object? A. One that decays very quickly into a stable form
B. One with a half-life close to the age of the object
C. One that does not undergo transmutation
O
D. One that is present in very small amounts

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.