Explanation

Diffusion refers to the process by which molecules intermingle as a result of their kinetic energy of random motion.

It is the net movement of molecules or atoms from a region of high concentration to a region of low concentration.

This is also referred to as the movement of a substance down a concentration gradient.

Explanation

The Leaning Tower of Pisa, or simply, the Tower of Pisa, of Pisa Cathedral.

It is known for its nearly four-degree lean, the result of an unstable foundation. 

Height: 57 m

Opened: 1372

Construction started: August 9, 1173

Architects: Diotisalvi, Guglielmo

Province: Province of Pisa

Materials: Marble, Rock

Architectural style: Romanesque architecture

Explanation

China has been a member of WTO since 11 December 2001.

The World Trade Organization is an intergovernmental organization that regulates and facilitates international trade.

Founded: January 1, 1995

Headquarters: Geneva, Switzerland

Explanation

​The first foreign head of state to visit Pakistan after its independence was Amir of Kuwait, Sheikh Ahmad Al-Jaber Al-Sabah, in 1947. ​

ND28-4-2023

Explanation

Notre-Dame meaning "Our Lady of Paris", referred to simply as Notre-Dame,in the 4th arrondissement of Paris.

Explanation

In the sentence "Her parents are walking on the road in the morning," the phrase "in the morning" is adverbial.

An adverbial phrase modifies the verb "are walking" by providing information about when the action is taking place.

Explanation

Pakistan has decided to register Himalayan pink salt as Geographical Indications (GI) to prevent its unauthorized use by other countries.

The precious salt is extracted from the Salt Range in Punjab which extends along the south of the Potohar Plateau and the north of the Jhelum River.