Explanation

On October 12, 2007, former U.S. Vice President Al Gore and the United Nation's Intergovernmental Panel on Climate Change are awarded the Nobel Peace Prize

Al Gore is the co-winner, of the Intergovernmental Panel on Climate Change, of the 2007 Nobel Peace Prize for “informing the world of the dangers posed by climate change.”

Explanation

 Common salt comprises sodium and chlorine.

Sweat consists of about 99% water,

0.2-0.5% salts mainly sodium chloride

and traces of urea (0.08%).

Explanation

Deuterium, (D, or 2H), also called heavy hydrogen.

Deuterium is an isotope of hydrogen.

In the simple hydrogen molecule, 

there is one proton,

one electron,

and no neutrons,protons,electrons,

and neutrons being the elementary particles that make up the atom.).

while 

Deuterium, on the other hand, is composed of one proton, one electron, and one neutron.

ND11-07-2023

Explanation

The Mac Mohan Line is the international boundary line between India  (North-east region)  and China  (Tibetan region)

The Mac Mohan Line was proposed by Henry Mac Mohan

The Mac Mohan Line line is proposed by the Administrator of British colonial Henry McMahon in the Shimla Convention in 1914.

Explanation

James Watson is an American molecular biologist, geneticist, and zoologist.

In 1953, he co-authored with Francis Crick the academic paper proposing the double helix structure of the DNA molecule. 

ND13-07-2023