Big data often involves a form of distributed storage and processing using hadoop and mapreduce. One reason for this is.

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

3. manufacturing institutions, because capitalists  are about making money. 

One of the angles would be 70 degrees and the other one would be 90 degrees

Where is the choices for the question?