Question

i need two sentences.
which include ( Iron )
first sentence without using article ( the )
second sentence using article ( the).​

Answer 1

1)Iron is very useful in our daily lives.

2) Iron is the most useful metal

Answer 2

Answer:

(1) calicium, iron, potassium etc play a important role in the functioning of the body

(2)The iron door was built by a 5th century priest