Explanation

The Fall of Constantinople in 1453 is considered to mark the end of the Middle Ages and the beginning of Modern history.

The city's conquest by the Ottoman Empire had profound effects on European trade 

Explanation

Liquid : Litre is the correct analogy.

Just as distance is measured in miles, liquid is measured in liters.

Both represent units of measurement for their respective categories.

Explanation

Francois Bernier was a French physician and traveler.

He arrived in India during the region of Shahjahan

He stayed (14 October 1658 – 20 February 1670) for around 12 years in India

He worked as a physician to Mughal prince Dara Shikoh.

Dara Shikoh (the eldest son of the Mughal emperor Shah Jahan

Explanation

Ethanol-blended fuel is widely used in Brazil

In the 1970s Brazil started a large-scale program for the use of sugarcane-derived ethanol as a motor fuel

Explanation

Big history refers to the scope from the Big Bang to the Present a period of 13.8. billion years

It integrates information from cosmology, geology, biology, and history to understand the universe and human history as a whole.

Explanation

"I bought pictures when I was on holiday in June. Now I'm going to hang them on the wall."

On holiday is the correct phrase used to indicate the period during which someone is away from work or regular activities, typically for leisure.

In June is used because we refer to months with the preposition in.

On the wall is correct when talking about the placement of something, such as pictures or frames, on a flat surface like a wall.

Explanation

Jocose means خوش طبع

Dull means بے روح

Explanation

Explanation

Explanation

Hard is the adjective.

It describes the quality of a noun.

Indicating that something is solid or difficult.