Explanation

The Andes  the largest mountain range in the world

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Andes mountain ranges are the longest mountain ranges in the world.

The Andes's length is 8,900 km (5,500 mi)

It is also known for its volcanoes.

Highest point: Aconcagua

Second Highest 

K2 is the world’s second-highest peak  8,611 meters

Mount Everest first highest mountain in the world

Smallest  Mountain Range

The Sutter Buttes are the smallest mountain range in the world.

Location: Sutter County, California,  United States

Explanation

We use Articles A & An before professions.

Doctor gives consonant sound. Therefore, He is a doctor۔  I am a student. She is a teacher. 

کسی کا شعبہ یا فیلڈ بتانے کیلئے ہم (ارٹیکل اے) کا استعمال کرتے ہیں۔

We use an when the profession gives vowel sound.

e.g. She is an actress. You are an actor. I am an author.

Explanation

Conditional clauses can begin with unless. Unless means something similar to ‘if … not’ or ‘except if’.

"the above sentence is " related to the conditional situation" 
So we select " the option unless" 

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ND10-1-2023

Explanation

Islamic lunar calendar, which begins its count from the Islamic New Year in 622 CE

 Islamic lunar calendar has only 354 or 355 days in its year."

Hijri calendar was started in16 Hijri

Islamic Calendar starts from Hijri

Islamic calendar established by: Hazrat Umar (R.A)

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Explanation

Faiz Mahal is located in Khairpur district of Sindh.

Built by: Mir Sohrab Khan

Built in: 1798

Aim: as the principal building serving as the sovereign’s court for the royal palace complex of Talpur monarchs of the Khairpur dynasty.

Explanation

Jacobabad is called the thermal pole of Pakistan.

Jacobabad is one of the biggest cities of Pakistan.

Jacobabad is located in Sindh.

Explanation

Near the historic monument, there is a bridge over the Thames River.

تاریخی یادگار کے قریب دریائے ٹیمز پر ایک پل ہے۔

The preposition "over" is used here to indicate the spatial relationship between the bridge and the Thames River.

Explanation

The main three sectors of economy of Pakistan are agricultural, industrial and services sectors.

Textile is the largest export industry in Pakistan

Agriculture is the largest sector of economy of Pakistan. 

Explanation

Collective Nouns are Examples of pair, bundle, and bunch.

Crew, crowd, government, team, family, audience, committee, gang, staff are collective nouns.

Explanation

First-person pronouns: We, us, our,and ourselves

Second-person pronouns: you, your, yours

Third-person pronouns: he, him, his, himself, she, her, hers, herself, it, its, itself, they, them, their, theirs, and themselves