When we say that momentum is "conserved," we mean When we say that momentum is "conserved," we mean: a. The momentum of an object is the same before and after a collision.
b. The momentum of the universe increases; it never decreases.
c. If there are no forces acting on an object, its momentum is zero.
d. The momentum of an isolated system is constant.

neither accurate nor precise.

i think the answer is a and b

i wish you luck

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.