Explanation

Radioactivity was discovered by Henri Becquerel in 1896.

They discovered radioactivity proving that the uranium emitted radiation without an external source of energy such as the Sun

Marie Curie with her husband Pierre Curie, coined the term radioactivity.

In 1903, Henry Becquerel shared the Nobel Prize for Physics with Pierre and Marie Curie

Ernest Rutherford did many experiments studying the properties of radioactive decay (alpha, beta, and gamma)

Explanation

Indonesia is known as a volcano-rich country

Indonesia has a great number of volcanoes in the world

Indonesia has around 130 active volcanoes

In Indonesia, more than 70% of the population live within 100km of one or more of the country's 130 active volcanoes

Indonesia is located on the Pacific Ring of Fire

while 

Mauna Loa is still the largest ACTIVE volcano on Earth

Explanation

World Wide Web (WWW)

World-Wide Web Worm (WWWW)

English scientist Tim Berners-Lee invented the World Wide Web in 1989.

WWW Birthplace CERN near Geneva, Switzerland.

The browser was released to the general public in August 1991.

Explanation

• Iran border is 909 KM long.
• It is located in the west.

The list of Pakistan's borders:

• India to the east.
• Iran to the west.
• Afghanistan to the northwest.
• China to the northeast.
• Arabian Sea to the south.

Explanation

The main idea of the solar system was proposed by the Polish astronomer Nicolaus Copernicus (1473-1543).

who said that "the Sun is the centre of the Universe" and made the planets move around it in perfect circles

(in his book entitled, "On the Revolution of the Celestial Spheres", written in Latin and published in 1543)

Explanation

Nigar Johar was born in Panjpir of Swabi district of KPK.

Nigar Johar is currently serving as the first female surgeon general of the Pakistani army.

Nigar Johar made history in June 2020, when she became the first female lieutenant general in the country's history.

SH1-9-2023

Explanation

Such means of type about to be mentioned.

That is used refer specific things mentioned earlier. 

Such means ایسا

That means جو

Explanation

A chromosome is made up of proteins and DNA organized into genes.

Human somatic cells have 46 chromosomes (23 pairs).

These include 22 pairs of autosomes and 1 pair of sex chromosomes.

Explanation

The lifespan of a red blood cell is around 120 days.

Blood cells are made in the bone marrow.

Explanation