Explanation

Explanation

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Explanation

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Explanation

Test tube baby is a baby conceived through in vitro fertilization .

On July 25, 1978, Louise Joy Brown,

the world's first successful "test-tube" baby was born in Great Britain.gene

Louise Brown was born as a result of natural cycle where no stimulation was made.

Robert G. Edwards, was awarded the noble prize in physiology in 2010.

Explanation

• Holography is a unique photographic image without the use of a lens.
• It is a recording of an interference pattern that uses diffraction to reproduce a 3D light field.
• This recorded interference pattern actually contains much more information than a focused image and enables the viewer to view a true 3D image that exhibits parallax.
  
• That is, the image will change its appearance if you look at it from a different angle,
•  just as if you were looking at a real 3D object.

Explanation

Microwaves are defined as electromagnetic radiations with a frequency ranging between 300 MHz to 300 GHz.

In contrast, the wavelength ranges from 1 mm to around 30 cm.

Microwave radiation is commonly referred to as microwaves.

They fall between infrared radiation and radio waves in the electromagnetic spectrum.

Explanation

Greenhouse gases are responsible for the greenhouse effect.

The gases that absorb and emit energy within the thermal infrared range.

The primary greenhouse gases include carbon dioxide, methane, ozone, and water vapors.

While the secondary greenhouses are Sulfur dioxide and nitrogen oxides.

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Nitrogen is a chemical element

It is a common element in the universe,

Estimated at seventh in total abundance in the Milky Way and the Solar System. 

Symbol: N

Atomic number: 7

Atomic mass: 14.0067 u

Boiling point: -195.8 °C

Discoverer: Daniel Rutherford

Explanation

Explanation

Top ten largest cities of Pakistan (as per census 2017)

1.       Karachi

2.       Lahore

3.       Faisalabad

4.       Rawalpindi

5.       Gujranwala

6.       Peshawar

7.       Multan

8.       Hyderabad

9.       Islamabad

10.   Quetta

Note: Islamabad population: around 1 million

Explanation