Explanation

Obstreperous means "شور مچانے والا" یا "بدتمیز"
 Noisy (شور کرنے والا)

Explanation

Quandary: الجھن یا پریشانی

Dilemma: مخمصہ یا مشکل صورتحال

Explanation

Oxy-acetylene welding is a very common welding process.

Gases used in welding and cutting processes include:

• shielding gases such as carbon dioxide, argon, helium, etc.
• fuel gases such as acetylene, propane, butane, etc.

oxygen, used with fuel gases and also in small amounts in some shielding gas mixtures

Explanation

اسم جامد وہ اسم ہوتا ہے جو کسی دوسرے لفظ سے نہیں بنا ہوتا اور اس سے مزید الفاظ نہیں بنائے جا سکتے۔

جیسے میز، کرسی، اور کتاب

Explanation

The UN Conference on Trade and Development (UNCTAD) named Egypt as the top investment destination in Africa for 2023,

Egypt's FDI increased to $11 billion in 2023, due to an increase in cross-border mergers and acquisitions

Explanation

سطح کو انگریزی میں 

کہا جاتا ہے اور اردو میں اس کی جمع سطوح  کی جاتی ہے۔ surface

Explanation

The Regional Comprehensive Economic Partnership (RCEP) is a free trade agreement among nations in the Asia-Pacific region 

It is a free trade agreement among 15 nations in the Asia-Pacific region.

This partnership includes 10 ASEAN countries:

• Brunei
• Cambodia
• Indonesia
• Laos
• Malaysia
• Myanmar
• the Philippines
• Singapore
• Thailand
• Vietnam

5 additional countries:

• China
• Japan
• South Korea
• Australia
• New Zealand.

Explanation

Nanocomposite materials have been used in active packaging to prevent the passage of oxygen, carbon dioxide, and moisture into the food.

Nanomaterials must be used with caution because they have the potential to cause toxic effects.

Explanation

Solar energy is radiated from the sun in the form of electromagnetic waves of shorter wavelength of 0.2 to 0.4 micrometers.

Out of all the solar energy radiations reaching the earth's atmosphere,

8% is ultraviolet radiation,

40% is visible range light 

46% is by infrared radiation.

Explanation

A line printer prints one entire line of text before advancing to another line.

Most early line printers were impact printers.

Line printers are mostly associated with unit record equipment