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 ## 1. What is 2 + 2?
 
-5
+4
 
 ## 2. What is JavaScript?
 
-An exciting new play about coffee.
+JavaScript is a programming language mainly used to make web pages interactive and dynamic, running directly in the browser. It’s also used on servers (with Node.js) to build full applications.
 
 ## 3. What three problems does Git & GitHub solve?
 
-When people want to show off code to each other they can put it on GitHub
+1. WVersion control – track and manage changes to code over time.
+
+2. Collaboration – multiple people can work on the same project without overwriting each other’s work.
+
+3. Backup & sharing – store code remotely, making it safe and accessible from anywhere.
 
 ## 4. What happens when you `fork` a repository?
 
-You delete it
+When you fork a repository, GitHub creates a copy of that repo under your own account.
 
 ## 5. What happens when you clone a repository?
 
-It send it to a friend
+You create a full copy of the repo from GitHub (or another host) onto your local machine.
 
 ## 6. What is a Pull Request?
 
-When you send a file over the internet
+A Pull Request (PR) is a way to propose changes you’ve made in your branch or fork to be merged into another branch (often the main project)...
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