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Т. И. Сергеевич, “Отцы и дети”. Пренебрежительное отношение к природе

рассматривается и в романе Ивана Сергеевича Тургенева “Отцы и

дети”.Евгений Базаров, нигилист, заявляет: “Природа не храм, а мастерская,

и человек в ней работник”. Он не наслаждается окружающей средой,

A Python dictionary is a collection of key-value pairs used to store data in an unordered, mutable structure. You create a dictionary using curly braces `{}` with key-value pairs, for example: `my_dict = {"name": "Alice", "age": 25}`. You can also use the `dict()` constructor to create dictionaries. Accessing values is done by referring to their keys: `my_dict["name"]` returns `"Alice"`. 

You add or update items by assigning a value to a key, such as `my_dict["city"] = "New York"` to add new or

1.Saliva: Lubricates food for swallowing, moistens the mouth, and contains the enzyme Salivary Amylase (Ptyalin) which begins the digestion of carbohydrates (starches).HCl (Hydrochloric Acid): Maintains an acidic pH (1.5–3.5) in the stomach to activate pepsinogen into pepsin (for protein digestion) and kills ingested bacteria/microbes.

2.BMR : is the minimum amount of energy (calories) required by the body to maintain vital life functions (breathing, circulation, cell production) while at complete

🐍 Python Loop and Branching Statements
Python provides powerful structures for iteration (loops) and flow control (branching statements) that allow you to execute blocks of code repeatedly or conditionally.
Python Loop Statements
Loops are used to execute a block of code multiple times. The main loop types in Python are while and for.
1. The while Loop
The while loop repeatedly executes a block of statements as long as a given condition is True.
 * Syntax:
   while condition:
    # statement(s)

Keywords and identifiers are fundamental elements in programming languages used to define variables, functions, and other constructs, with keywords being reserved words that have special meanings, and identifiers being names given to user-defined entities.

Comments in programming serve the essential purpose of making the source code more understandable and maintainable by providing textual annotations that explain the logic, purpose, or any additional information about the code. They help programmers

# **FGI**

## **Alkyl Halides**

- Alkyl halide or haloalkanes 
  - Compounds with a halogen atom bonded to a saturated sp3-hybridized carbon atom
- Halogens increases in size down the periodic table 
  - Lengths of corresponding carbon-halogen bonds increase accordingly, where the C-X carbon bond strengths decrease going down the periodic table.
  - The carbon-halogen bond of alkyl halides is polarised with the carbon atom bearing a slight positive charge (d+) and the halogen a slight negative charge