Explanation

• Amazon river in South America is the largest river in the world.
• Nile river in Africa is the longest river in the world.

Additional information:

Last verified on 10-06-2026

Explanation

• General Tikka Khan became the first COAS of Pakistan Army.
• In 1972, the title changed from C-in-C to Chief of Army Staff (COAS).
• The first Commander-in-Chief (C-in-C) was Sir Frank Messervy.
• Later, General Ayub Khan became the first Muslim C-in-C of Pakistan Army.

Additional information:

Explanation

The Ganges River is known as the "lifeline of India".

It is India's largest river, flowing for nearly 2,700 km from the Himalayas through five northern states to the Bay of Bengal.

The Ganges provides water to 40% of India's population and is sacred to Hindus

Explanation

Explanation

Longitudinal waves are also called: Compressional waves, Pressure waves, Compression waves.

A longitudinal wave is a wave in which the particles of the medium vibrate in the same direction as the wave propagates.

Explanation

 The formula for acceleration is a = F/m,

Where

'a' is acceleration,

'F' is net force, 

'm' is mass.

Explanation

Lungs are part of the respiratory system,

a group of organs and tissues that work together to help you breathe.

The respiratory system's main job is to transport oxygen and remove extra carbon dioxide.

Explanation

• The title "Father of Physics" has not been given to a single scientist.
• Newton, Galileo and Einstein have all been called "Fathers of Modern Physics."
• Newton was called this because of his famous law of motion and gravitation,
• Galileo for his role in the scientific revolution and his contributions on observational astronomy.
• Sir Isaac Newton is often called the "Father of Modern Physics"
• Einstein for his groundbreaking theory of relativity
  

Explanation

The base form of the irregular verb "swim" is "swim".

It can be used in the present tense, future tense, and as an infinitive. For example, "I will swim" and "to swim

Swam: The past tense form

Swum: The past participle form

Swims: The third person present form

Swimming: The -ing form

Explanation

Temperature, pressure, and humidity can also have secondary effects on the speed of sound in a medium,

density and elasticity are the primary factors.