Explanation

The 2,400MW Hassyan clean coal power station is being developed in Saih Shuaib, Dubai, UAE at an estimated cost of $ 3.4 billion.

Explanation

Scurvy is a state of dietary deficiency of vitamin C (ascorbic acid).

The human body lacks the ability to synthesize and make vitamin C

Depends on exogenous dietary sources to meet vitamin C needs. 

Explanation

The given sentence is an example of an optative sentence which expresses hope, prayer or wish. Following rules are followed to change the direct speech of such sentences:

If the reported speech starts with 'may', then the reporting verb 'said' is replaced with word 'prayed'.

The sentence becomes an assertive sentence.

The exclamation mark is omitted. 

The sentence would become - She prayed for a long life for him. 

Thus, option C is the correct answer according to the rules. 

Explanation

Present indefinite change into past indefinite 

Explanation

Fat soluble 

Sources include green vegetables, milk and its products, liver eggs and especially in carrots.

leading cause of blindness in children worldwide

Explanation

NAB Ordinance,promulgated on 17 Nov, 1999

Explanation

Explanation

The inner layer is the retina, which lines the back two-thirds of the eyeball.

Explanation

Dynamite was invented by Swedish chemist Alfred Nobel in the 1860s.

Alfred Nobel the first safely manageable explosive stronger than black powder.