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rodikova [14]
3 years ago
10

A major ozone depletion happened in the 1900s. What was it caused by

Computers and Technology
2 answers:
PSYCHO15rus [73]3 years ago
8 0
It was caused by air pollution and the global warming
melomori [17]3 years ago
3 0
It was caused by air pollution and the extreme heat built up underneath it. <span />
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A simple substitution cipher takes each vector (e_i) and assigns it to the vectors [e_{\pi (i)}] in a one-to-one function so as to make them equivalent.

<h3>What is the Hill cipher?</h3>

In 1929, the Hill cipher was invented by Lester S. Hill and it can be described as a poly-graphic substitution cipher that is typically based on linear algebra and it avails a cryptographer an ability to simultaneously operate on more than three (3) symbols.

In Cryptography, the simple substitution cipher is usually viewed as a function which takes each plaintext letter (alphabet) and assigns it to a ciphertext letter. Thus, it takes each vector (e_i) and assigns it to the vectors [e_{\pi (i)}] in a one-to-one function so as to make them equivalent.

Read more on Hill cipher here: brainly.com/question/13155546

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