I used the program (and still kind of do) so I'll try and explain what Scratch is.
Scratch is like JavaScript but for young people who want to start learning code in what they call "blocks". These blocks can be used to make "projects" and these projects can be shared to everybody in the world. These "projects" and also be remixed so someone can make their own variation of the project. On Scratch you can also follow people if you like their work and people can follow you. If you are active on Scratch for more than 2 weeks than you can access something new called "cloud variables" which can transfer numbers across the platform which can also be used for online games.
REJ means Rapid Economic Justification. This is a methodology or framework to help IT professionals analyze IT investments. The main aim of this framework for business optimization
The most common form of mechanical weathering is the freeze-thaw cycle. Water seeps into holes and cracks in rocks. The water freezes and expands, making the holes larger. Then more water seeps in and freezes
