Alex O's corrections to the homework.md file

homework.md

@@ -2,24 +2,28 @@
 
 ## 1. What is 2 + 2?
 
-5
+4
 
 ## 2. What is JavaScript?
 
-An exciting new play about coffee.
+JavaScript is a programming language used to make web pages interactive and dynamic.
 
 ## 3. Name three problems Git & GitHub solve?
 
-When people want to show off code to each other they can put it on GitHub
+1. Git and GitHub provides a platform that makes it easier for software developers to collaborate on projects
+
+2. Git and Git hub make it easier for you to share and deploy your code and documentation by hosting repos online
+
+3. Git helps to implement an effective strategy for version control. It tracks all the changes you make to your projects; allows you to safely go back to previous versions and shows who changed what and when.
 
 ## 4. What happens when you `fork` a repository?
 
-You delete it
+forking creates your own independent copy of a project. Forking give you the ability to experiment, make changes and contribute to that project without affecting the original repository.
 
 ## 5. What happens when you clone a repository?
 
-It send it to a friend
+When cloning you create a local copy of the project.
 
 ## 6. What is a Pull Request?
 
-When you send a file over the internet
+This is how you submit your proposed changes to the owner of the original repo for review.