1. The tubular heart or primitive heart tube is the earliest stage of heart development .
2. The primitive heart or the tubular heart tube is the earliest stage of the heart development .

yes

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

no

1. Indore district consists of 4 divisions ; Depalpur , Sanwer , Indore and Mhow .
2. The district of Mhow consists of 4 divisions : Depalpur , Sanwer , Indore and Indore .
no