Answer:
Under years of scrutiny and are rarely discarded but can be modified with new research or data is explained below in details.
Step-by-step explanation:
If a theory cannot describe new indication or remarks then the theory is developed or even thrown out, buat if the opinion still describes a broad variety of investigations and proof then it is updated rather than rejected.
As further scientific testimony is collected, a scientific approach may be changed and eventually rejected if it cannot be adjusted to match the new conclusions; in such circumstances, a more fundamental theory is then required.