Explanation

The percentage of oxygen in the air is about 20.95%.

The air is made up of many gases, including oxygen, nitrogen, argon, and carbon dioxide

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Nitrogen

Nitrogen is the most abundant gas in the air, making up about 78% of it. 

Argon

Argon is the third most abundant gas in the air, making up about 0.93% of it. 

Carbon dioxide

Carbon dioxide is present in trace amounts in the air, making up about 0.04% of it. 

Explanation

رباعی عربی کا لفظ ہے جس کے لغوی معنی چار چار کے ہیں۔ شاعرانہ مضمون میں رباعی اس صنف کا نام ہے جس میں چار مصرعوں میں ایک مکمل مضمون ادا کیا جاتا ہے۔

رباعی کا وزن مخصوص ہے، پہلے دوسرے اور چوتھے مصرعے میں قافیہ لانا ضروری ہے۔ تیسرے مصرعے میں اگر قافیہ لایا جائے تو کوئی عیب نہیں۔

اس کے موضوعات مقرر نہیں۔

اردو فارسی کے شعرا نے ہر نوع کے خیال کو اس میں سمویا ہے۔ رباعی کے آخری دو مصرعوں خاص کر چوتھے مصرع پر ساری رباعی کا حسن و اثر اور زور کا انحصار ہے۔رباعی کا موجد فارسی شاعر رودکی کو مانا جاتا ہے۔ رباعی کے 24 اوزان ہیں 

Explanation

• The male reproductive part of a flower is called the Stamen.

It consists of two parts:

1. Anther (produces pollen grains)
2. Filament (supports the anther)

Explanation

Cartography is the science and art of creating maps to represent geographical areas.

It includes designing, drawing, and interpreting maps for navigation and study.

Explanation

The mosque was built by a Saudi King named King Faisal who gifted it in recognition of friendship between Pakistan and Saudi Arabia.

Faisal Mosque of Pakistan was opened to the public in 1986 OR 1987

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On 18th June 1988 the first prayer  was held in the Faisal mosque

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The Faisal Mosque is the largest mosque in Pakistan,

located in the national capital city of Islamabad.

Completed in 1986,

it was designed by Turkish architect Vedat Dalokay

Explanation

Diagnostic means تشخیصی

Diagnostic assessment is used to identify students' strengths and weaknesses, helping to detect difficulties in the learning process.

It is conducted before or during the learning process to provide insights for improving teaching strategies.

Explanation

"Everyone" is an indefinite pronoun as it refers to a non-specific group of people.

It does not point to any particular individual but refers collectively to all people.

Explanation

• Babar ruled India for 4 years.
• He established the Mughal Empire in 1526.
• He reigned until his death in 1530.
• Babar was the first Mughal king to rule India.

Explanation

Secure means محفوظ

Safe means محفوظ

Explanation

Snails are mollusks, belonging to the phylum Mollusca.

They typically have a soft body and, in many cases, an external shell.