The correct answer is a) a class or category of objects, events, or activities.
The concepts are ideas that represent a class or category of objects, events, or activities.
In general terms, we can define a concept as an idea or a form of though. It is the general idea that comes to your mind before identifying with words. Concepts can be a class or category of objects, events, or activities that are formed in your brain to understand things. The abstract idea that is formed in your mind can be understood and apply to many different to understand reality.
Voyager 2
On November 5, 2018, Voyager 2 officially left the solar system as it crossed the heliopause, the boundary that marks the end of the heliosphere and the beginning of interstellar space.
This is of course a subjective question, but there are probably two aspects which can contribute to being a good politician
- good education (either from a university or self-taught) about the history (both of country and of the world), economics politics and social studies
- good connection to the life of average people: being raised in a poor area, visiting poor areas more frequently: not to loose "contact with reality" and to know the citizens' actual needs.
D. To provide general provisions and amendments