Explanation

Joseph Priestly discovered oxygen on August 1, 1774.

The most abundant element in the Earth's crust is oxygen.

It making up 46.6% of Earth's mass.

Explanation

Black flag: Symbol of protest 

Lower-level flag: Symbol of national mourning 

White flag: Symbol of treaty or dedication

Red triangle: Symbol of family planning 

Pigeon bird: Symbol of peace

Red light: Symbol of danger or stopping traffic

Explanation

“The Playground of Europe” is a famous book written by Leslie Stephen in 1870.

He named Switzerland a playground of Europe because it is full of lush greenery and beautiful mountain ranges.

Explanation

• • The Battle of Mu'tah in September 629, where Zayd was killed.
  Hazrat Zaid bin Haris the adopted son of the Islamic Prophet Muhammad.
  
  
  Hazrat Zaid bin Haris  is commonly regarded as the fourth person to have accepted Islam
  
  
  Zayd Bin Harith's (R.A) name is mentioned in the Al-Ahzab 33rd Surah of the Quran 

  
  

  Hazrat Zaid was the first adult male to become a Muslim and the only Muslim apart from Muhammad to be mentioned by name in the Quran

  
  

  The Holy Prophet (PBUH) gave the title of Hub Rasool-Ullah to Hazrat Usama bin Zaid R.A 

  ND21-2-2023

  
  

  
  

Explanation

The pattern of the series is:

6 × 0.5 = 3

3 × 4 = 12

12 × 0.5 = 6

6 × 4 = 24

24 × 0.5 = 12

Explanation

An anemometer is an instrument that measures wind speed.

This type of anemometer has a spinning wheel.

Additional Information:

A hygrometer is an instrument used to measure humidity

A salinometer is used to measure the salinity

A bolometer is used to measure the power of incident electromagnetic radiation

A barometer is used to measure air pressure in certain environment.

Explanation

دغا بازی کرنا، فریب دینا، مکاری کرنا

حیلہ حجت کرنا، ٹال مٹول کرنا، بحث کرنا، جھگڑا فساد یا تکرار کرنا، چھیڑ چھاڑ کرنا

Explanation

The press is referred to as "The Fourth Estate".

Due to its role in influencing public opinion and holding other branches of government accountable.

This role complements the functions of the judiciary, executive, and legislature, which are considered the three main estates of government.

Explanation

خالق مطلب بنانے والا

مخلوق مطلب کوئی بنائی گئ چیز

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Explanation

The smallest Republic in the world is Nauru

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Nauru is the third-smallest country in the world

Nauru is formerly known as Pleasant Island

Capital:                 Yaren

Currency:              Australian dollar

Continent:             Oceania

Area:                     20.98 km²

President            Russ Kun

Population:           12,704 (2018) World Bank

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while 

The smallest Muslim country is Brunei

Nauru is the smallest republic in the world

Maldives is the smallest in SAARC

Largest Muslim county Indonesia.