Is the phenomenon where your ability to detect a constant sensation decreases the longer you feel it?

The phenomenon is tolerance.
Tolerance can be found in many aspects of physiology,
For example, when you feel a pain somewhere due to touching something sharp, the feel will be less intense when you feel it the next times.
When you eat a lot of sweets, you tung will temporarily lose its ability to feel sugars
Another example in pharmacology, when you drug in a chronic way, its effect will decrease.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the