What could not act as a medium for a mechanical wave

A medium that can not vibrate

Explanation:

A mechanical wave needs a medium that can vibrate and a source of energy that produces vibrations.

The light, the microwaves, the x - rays, the ultraviolet rays are some examples of these mediums.

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.