The study of the structure an behaviour of the physical and natural environment by oberseving through scientficic instruments and through experiments.
C would be the answer to this
A. However is my best guess none of the other choices seem to fit in very well. Good luck :)
Answer:
D. A reference in a piece of literature to another literary work
Pampered indulge with every attention, comfort, and kindness
spoiledharm the character of (a child) by being too lenient or indulgent
