Explanation

Cryptography is the art and science of keeping information secure from unintended audiences, of encrypting it.

It is also called Crytology.

The term was first introduced in 1553.

Explanation

Explanation

Niagara Falls was discovered by French explorer, Father Louis Hennepin in December 1678. Niagara Falls is a group of three waterfalls at the southern end of Niagara Gorge, spanning the border between the US state of New York and the Canadian province of Ontario.

Explanation

A radiation dosimeter is a device that measures dose uptake of external ionizing radiation.

It is worn by the person being monitored when used as a personal dosimeter, and is a record of the radiation dose received.

Explanation

The Maldives, officially the Republic of Maldives, is an archipelagic state in South Asia

The Maldives is situated in the Indian Ocean.

The Maldives's Capital: Malé

The Maldives' Area: is 297.8 km²

The Maldives's Continent: Asia

The Maldives's Currency: Maldivian Rufiyaa

The Maldives's Official languages: Dhivehi, English

Explanation

Shinto literally means “the way of the gods” is Japan's native belief system.

and predates historical records.

Explanation

Jaundice is a condition characterized by yellowing of the skin and eyes.

It is caused by excess bilirubin due to liver dysfunction or disease.

Explanation

Human blood is red because haemoglobin,

haemoglobin is carried in the blood and functions to transport oxygen.

Explanation

The Mariana Trench is the deepest location on Earth.

The Mariana Trench is located in the western Pacific Ocean..

It is crescent-shaped and measures about 2,550 km

Explanation

• The first revelation of the Holy Quran consisted of 5 Aayats.
• **
• Related questions about the revelation of the Holy Quran:
• 2 years and six months was the interval between the first and the second revelation of the Holy Quran
• 1st revelation of Muhammad was made in Hira. On 17 Ramzan 610 AD 
• 23 years did it take for the complete revelation of the Quran
• Prophet (SAW) used to meditate on Mount Hira before revelation.
• According to Islamic Calendar, on the 21st of Ramadan the prophet Muhammad(PBUH) received the first revelations of the Quran
• **
• The Quran was verbally revealed from God to Muhammad through the angel Gabriel beginning on 22 December 609 CE,
• when Muhammad was 40 and concluding in 632 CE, the year of his death.