Explanation

The fluid in your lead-acid battery is called Electrolyte.

It's actually a mixture of sulphuric acid and water.

Explanation

Constitution of 1956 · Pakistan was declared as the Islamic Republic

while

Both Urdu and Bengali were declared as official and national languages of Pakistan in the 1956 constitution

All important questions of  "the 1956 constitution"

1956 constitution is promulgated on 23 March 1956

***

Iskander Mirza abrogated the 1956 constitution

***

In 1956 the designation of Governor General changed to President

****

40 years was the age prescribed for president in the 1956 constitution

**

The Constitution of 1956 contained 234 articles divided into thirteen parts and six schedules

**

The constitution of 1956 remained implemented for 2 years 6 months and 14 days.

**

The constitution of 1956 provided a Parliamentary form of government for the country.

**

1956 constitution legislature was Unicameral

**

The Constitution of 1956 provided for a federal system with the principle of parity between East Pakistan and West Pakistan

ND16-1-2023

Explanation

Explanation

The United States is the 2nd largest goods exporter in the world, behind only China.

U.S. goods exports to the world totaled $2.1 trillion in 2022

while

China is the largest import partner of Pakistan.

ND6-08-2023

Explanation

Vinton Gray Cerf, born on June 23, 1943.

He is an American Internet pioneer known as the "Father of the Internet."

In 1997, President Bill Clinton awarded him the U.S. National Medal of Technology.

Explanation

Blood cells are made in the bone marrow.

The bone marrow is the soft, spongy material in the center of the bones.

It produces about 95% of the body's blood cells.

Explanation

"Equinox"  means Equal duration of day and night.

The time or date (twice each year) at which the sun crosses the celestial equator  when day and night are of approximately equal length.

During the equinoxes, solar declination is 0°

the September equinox is called the autumnal or fall equinox on 23 September

the March equinox is called the vernal or spring equinox on 19 March or as late as 21 March

ND-8-08-2023

Explanation

Trachoma is a disease of the eye

It is caused by infection with the bacterium Chlamydia trachomatis.

It is a public health problem in 38 countries and is responsible for the blindness or visual impairment of about 1.9 million people

Explanation

Rohtas Fort is located near the city of Dina in Jhelum district of the Punjab province of Pakistan

The construction of Rohtas Fort started in 1541 

Rohtas Fort has 14 gates 

Rohtas Fort is a 16th-century fortress

Explanation

The retina is a thin layer of tissue that lines the back of the eye on the inside.

It is located near the optic nerve.

The purpose of the retina is to receive light that the lens has focused,

convert the light into neural signals,

and send these signals on to the brain for visual recognition