12g + 9g simplified is 21g
Answer:
Explanation:
Data processing occurs when data is collected and translated into usable information. Usually performed by a data scientist or team of data scientists, it is important for data processing to be done correctly as not to negatively affect the end product, or data output.Any use of computers to perform defined operations on data can be included under data processing.
Many people use relative location on a daily basis by using B) their mental maps of an area.
You know what a certain area looks like, at least approximately, so you don't need to use these other options on a day to day basis. You can rely on your mental maps to do the work for you.
Luke himself wrote t the book