Rearrange the following parts to form a meaningful sentence:
$P$. helps children who
$Q$. care and protection
$R$. are in need of
$S$. is a system that

Rearrange the following parts to form a meaningful sentence:
............ orbit around the Earth.
$P$. a stationary
$Q$. satellites have
$R$. communication
$S$. Some of the

The following segments are given: $A$: but seeing my host in this mood,$B$: $I$ deemed it proper to take leave,$C$: as $I$ had frequently done before,$D$: it had been my intention to pass the night there. The proper sequence of the given segments should be:

Arrange the following parts to form a meaningful sentence: Her uncle gifted $P$. gold watch $Q$. her $R$. on her $S$. birthday

Arrange the following parts to form a meaningful sentence:
$P$. very first
$Q$. electric telegraph
$R$. The
$S$. was created
................ by Francis Rolands in $1816$ at Hammersmith in London.

Rearrange the following parts to form a meaningful sentence:
$P$. whom he had cheated
$Q$. did not listen to the
$R$. who weighs less
$S$. protests of customers