job creating. as a source of energy, it's going to create lots of jobs, money invested in solar power creates two to three times more jobs than money invested in coal or natural gas. not 100% reliable. sun goes down or is heavily shaded, solar PV panels stop producing electricity.
Rhyme is basically a repetition of two or more words that sound alike. It is a widely used convention in many songs and different types of poetry like poems and sonnets among others. In a poem for example, the use of rhyme functions to unify the message of the said poem.
Rhyming Couplets are used in poetry to help the poem become interesting. It is used to produce a form of rhyme throughout the whole poem either just on two lines or all the way through. Why don't you try writing poem using rhyming couplets and enter it into one of our poetry competitions.