Explanation

Roald Amundsen was the first person/discover to reach the South Pole.

Roald Amundsen was from Norway. 

Explanation

Omer-Khayam was born in Iran in 1048 AD.

Omer-Khayam was a poet, Mathematician & Astronomer. 

Omer-Khayam introduced modern Solar Hijri calendar, the Jalali calendar.

Omer-Khayam  was the first to develop the binomial theorem and determine binomial coefficients.

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Explanation

Martin Cooper built the first mobile cell phone and made the first cell phone call.

Martin Cooper is widely regarded as the father of the cellular phone.

On April 3, 1973, Martin Cooper made the first ever cellphone call on the streets of New York.

Martin Cooper's invention, a brick-sized device, became the first cellphone available to the general public.

ND28-4-2023

Explanation

Saturn V is a retired American super heavy-lift launch vehicle developed by NASA

The rocket was human-rated, with three stages, and powered with liquid fuel.

It was flown from 1967 to 1973.

It was used for nine crewed flights to the Moon, and to launch Skylab, the first American space station.

As of 2023, the Saturn V remains the only launch vehicle to carry humans beyond low Earth orbit (LEO).

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The father of Rocketry especially the Saturn V Rocket which make a successful moon landing was: Dr Warner Von Braun

ND28-4-2023

Explanation

Aspirin, also known as acetylsalicylic acid, is a drug used to relieve pain, fever, or inflammation.

Aspirin was invented by German chemist Felix Hoffmann in 1897.

Explanation

David Encaston provided proof to suggest that the Earth`` was spherical

Explanation

John Napier introduced the concept of Logarithms in the 17th century

John Napier invented the logarithm in 1614

Edinburgh-born Renaissance scholar John Napier invented logarithms

His purpose was to assist in the multiplication of quantities that were then called sines

ND11-4-2023

Explanation

Aids way to spread is Touch

AIDS stands for Acquired Immunodeficiency Syndrome.

HIV stands for Human Immunodeficiency Virus.

HIV attacks the immune system of the body 

AIDS virus has single-stranded RNA

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Explanation

Lactometer is used for milk

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A lactometer is an instrument that is used to check for the purity of milk by measuring its density.

 lactometer works on the principle of gravity of milk.

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Explanation

In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube.

Water freeze at 32 F and boils at 212 F