<span>Field research or fieldwork is the collection of information does not take a place laboratory. library or workplace setting. The approaches and methods used in field research vary across disciplines. For example, biologists who conduct field research may simply observe animals interacting with their environments, whereas social scientists conducting field research may interview or observe people in their natural environments to learn their languages, folklore, and social structures.</span>
I believe its lack of worthy projects, but ill tell you if im wrong.
Reason a is the correct one, as the european union has nothing to do with protection from invasions and Germany reunified many years ago.
Answer:
Because the Netherlands depends mostly on Foreign Trade's than the US.
Explanation:
The US is a major "home" producer, and can maintain itself semi-well without foreign trading. The US still benefits from International trading though.
Since the Netherlands isn't as nutrient rich as the US, it has to depend mostly on foreign trading.
Asteroids rarely pass close to Earth
