You have to study hard. Read about the subject slowly and get help if you don't understand it.
Natural philosophy is one answer.
Through science one can understand the world better. One could also use it to save peoples life (laser therapy, cancer treatment), although one could also use it to destroy one another (nuclear bombs).
science helps you to understand the world and the community around you and you can understand things better through science
Outside of helping you understand what you're doing and why, none.
There really isn't one : Science is a technique to understand, and once you understand something, it's not magic any more.
To understand how earth subsystems interact and affect one another.
Science
The ultimate goal of Earth science is to understand the workings of the natural environment. The purpose is to understand the ecosystems of the work so that they can be supported and preserved.
Science is the way we understand how the world works.
A compound science is one that involves applying the knowledge and methods of one science in the pursuit of another. For instance, a geochemist might use their knowledge of chemistry to understand how rocks and minerals have formed. An astrophysicist might use physics to understand and explain observations made by astronomers.
now to understand if i could get one finally
It is SCIENCE