The earth has a magnetic field around it, which is generated by its molten core. this magnetic field exerts a force on compass dials, which are magnets, causing them to align with the earth's magnetic field. this force on compass dials is an example of a force that a. acts only on contact. b. needs electricity to act. c. acts through particles in the air. d. acts at a distance.

This force on compass dials is an example of a force that acts at a distance.  (A compass doesn't need to touch the molten core of the Earth in order to work correctly.)

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.