Explanation

49th Parallel between United States of America and Canada is the longest international boundary in the world.

Explanation

A man who is womanish in his habits is known as Effeminate.

while

PHILANDERER is a man who has sexual relations with many women.

Explanation

Zia is Anxious about his visit visa to the U.S.

ضیاء امریکہ کے اپنے وزٹ ویزا کے بارے میں بے چین ہیں۔

Anxious about means فکر مند / بے چین : full of mental distress because of fear of danger or misfortune

ND16-8-2023

Explanation

Objectives limiting the meaning of a noun showing either possession, demonstration, or number are called Proper adjectives.

..

• "Proper adjectives" also describe people, places, and things
• for example
• Your country is a proper noun and it has a capitalized proper adjective.
• ND16-8-2023
  

Explanation

Explanation

Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years.

∴ (2x + 2) + 2x + x = 27

⇒ 5x = 25

⇒ x = 5.

Hence, B's age = 2x = 10 years.

Explanation

22 April is celebrated as  World Earth Day

...

Every year on April 22, Earth Day marks the anniversary of the birth of the modern environmental movement in 1970

Senator Gaylord Nelson made Earth Day on April 22

Explanation

Strait of Gibraltar is located in the Iberian Peninsula (Spain).

The Strait of Gibraltar separates Europe from Africa

The Strait Gibraltar connects two large water bodies, the Atlantic Ocean & Mediterranean Sea.

Explanation

Limestone (چونے کا پتھر) is a type of carbonate sedimentary rock. 

Explanation

This is a sentence of Present Perfect Tense.

Active sentences in the present perfect tense have the following structure:

Subject + has/have + past participle form of the verb + object
Passive sentences in the present perfect tense have the following structure:
Object of the active sentence + has/have + been + past participle form of the verb + by + subject of the active sentence