Explanation

The biosphere is the global ecological system integrating all living organisms (biotic) and their interactions with the non-living (abiotic) components (e.g., air, water, soil).

It spans from the deepest oceans to the atmosphere, encompassing all ecosystems where life exists.

Explanation

Explanation

Herbivores: These animals eat only plants.

The word "herbivore" comes from the Latin words "herba" (meaning plant) and "vorare" (meaning to eat).

Detritivores: These animals eat decaying organic matter.

Omnivores: These animals eat both plants and animals. 

Carnivores: These animals eat only meat. 

Explanation

The word "Trigonometry" comes from Greek: "trigonon" (triangle) and "metron" (measure).

It deals with the relationships between angles and sides of triangles.

The title of "father of trigonometry" is Hipparchus of Nicaea.

Explanation

By definition in mathematics, 0! = 1.

It helps maintain consistency in formulas like permutations and combinations.

Explanation

√2 cannot be written as a ratio of two integers, so it is an irrational number.

Its decimal form is non-terminating and non-repeating (≈ 1.414...).

Explanation

Let's compare the fractions to 0.5:

1/2 = 0.5 (exact match)

Explanation

Explanation

"I congratulated him on his success."

میں نے اسے اس کی کامیابی پر مبارکباد دی۔

The preposition "on" is commonly used when congratulating someone for an achievement or event.

Explanation

Pakistan purchased Gwadar port from Oman on 8th September 1958.

Gwadar officially became part of Pakistan on 8th December 1958.

Gwadar remained under Omani rule for 174 years from 1783 -1958 

Gwadar Port is situated on the Arabian Sea at Gwadar in Balochistan province.

Opened: 2002 

while 

Pakistan has three big sea ports  It was purchased from Oman in 1958.

Karachi Port,

Muhammad Bin Qasim port

and Gwadar port.