- Knowledge of the problems and questions

     - Knowledge about data (how it collected, organized, coded and etc)

     - Knowledge of GIS capabilities

     - Knowledge of statistical technique

     - visualization or imagine the result of any operation and the combination of any operation

ii. Explain the importance of spatial analysis in real world modelling.
     - It allow us to understand and help us make better decision about how to plan map like making the roads, buildings, railways, and other features


iii. Why GIS is essential to help on decision making on climate change forecasting?
     - It is because it can help us to visualizes and analyze the climate change forecasting