Astronomers use many different pieces of equipment to study space: optical telescopes on earth, space telescopes, and space probes are a few. why would astronomers use a space probe instead of a telescope?
a) probes send back much better images than telescope.
b) probes are travel through space faster than light.
c) probes can take scientists to other planets; telescopes cannot.
eliminate
d) probes send data back to earth for scientists to study, not just images.

diagram is missing, but i will try to explain your doubt.

answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.

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.