Which of the following cannot vary?

a)the speed of light is relative to the observer's frame of reference
b)speed of light in a vacuum
c)the frequency of light
d)the wavelength of light

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6

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.