A great battle took place on the Dagorlad in which Sauron 's forces were stormed and the Black Gate was destroyed .
On the Dagorlad , a great battle took place in which Sauron ' s forces were destroyed and the Black Gate stormed .

Are these two sentences paraphrases of each other?
no

They form the bulk of the population of the River Xie and the upper Rio Negro above the mouth of the Vaupes River .
They form the majority of the population of the River Xie and the upper Vaupes river above the mouth of the Rio Negro .

Are these two sentences paraphrases of each other?
no

The tram line was built in 1913 and expanded in 1923 and abandoned in 1983 .
The tram line was built in 1913 and was abandoned in 1923 and expanded in 1983 .

Are these two sentences paraphrases of each other?
no

Fiat - Money can be physically damaged or destroyed if it is inadvertently represented in the form of currency ( paper or coins ) .
Fiat money , if accidentally represented in the form of currency ( paper or coins ) can be physically damaged or destroyed .

Are these two sentences paraphrases of each other?
yes