Explanation

According to the Big Bang theory, the universe is expanding.

The universe is currently 13.8 billion years old.

According to Big Bang Theory, the Universe began about 10-20 billion years ago.

Big Bang theory explains Origin of Universe.

At the time of the big bang, Time was zero.

Explanation

Additional quotas include:

• 3% for disabled individuals.
• 5% for minorities.
• 20% for children of in-service or retired government employees.

Explanation

'حدیث قدسی' رسول اللہﷺسے منسوب اس روایت کو کہتے ہیں جس میں رسول اللہﷺروایت کو اللہ تعالیٰ سے منسوب کرتے ہیں،

Explanation

The Great Salt Lake is the largest saltwater lake in the Western Hemisphere

It lies in the northern part of the U.S. state of Utah 

Max. length 75 mi (121 km)
It is the eighth-largest terminal lake in the world.

Explanation

The code name for the US operation to kill Osama bin Laden in Abbottabad, Pakistan was Operation Neptune Spear.

The operation took place on May 2, 2011, around 1:00 Pakistan Standard Time.

The operation was carried out by a team of US Navy SEALs from the United States DEVGRU, also known as SEAL Team Six.

The operation was ordered by President Barack Obama.

Explanation

Explanation

The computer mouse was invented and developed by Douglas Engelbart, with the assistance of Bill English, during the 1960s.

Douglas Engelbart was an American engineer.

Explanation

Explanation

Before the Optional Protocol was added to the Child Rights Act in 2002,

The legal age for recruiting children into the armed forces was 15 years old.

The Optional Protocol raised the age to 18 years old

The Optional Protocol was adopted by the United Nations General Assembly on May 25, 2000,

And entered into force on February 12, 2002. 

Explanation

White blood cells (leukocytes) are part of the immune system.

They play a key role in defending the body against infections, diseases, and foreign invaders.

They help maintain overall health.