Answer:
A geographic information system is a conceptualized framework that provides the ability to capture and analyse spatial and geographic data.
Well one of them is <span>Between the two world wars, international relations were influenced by both real politics and idealism. Idealism has been an offshoot of the massacre and destruction across the world -particularly in Europe, though during the last one hundred years real politics has outreached it.</span>
Descriptive investigations involve collecting data about a system, but not making tests or experiments.
Making tests belongs to experimental investigations.
Descriptive investigations aim to draw conclusions from observations of the fenomena, while experimental investigations design tests that let the researcher to compare results on different conditions with a control situation.
There is also the so called comparative investigations which collect data from under different conditions but do not include the control situtation.
Where is 5a and 5b? Is it in the link?
