Explanation

Darwinism is a theory of biological evolution developed by the English naturalist Charles Darwin

Darwin's theory of evolution, also called Darwinism, can be further divided into 5 parts:

"evolution as such",

common descent,

gradualism,

population speciation,

and natural selection.

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There are four principles at work in evolution—

variation,

inheritance,

selection

and time.

ND11-07-2023

Explanation

Kingdom Protista includes all eukaryotes that are not animals, plants, or fungi.

Kingdom Protista is very diverse.

It consists of both single-celled and multicellular organisms.

ND6-08-2023

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

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