I don’t think there is a limit in science because we didn’t discover even half of the ocean.
Valence shell
The number of electrons in the outermost shell of a particular atom determines its reactivity, or tendency to form chemical bonds with other atoms. This outermost shell is known as the valence shell, and the electrons found in it are called valence electrons.
Antarctic soil differs from other soil because it is formed from volcanic rocks
Explanation:
the answer would be 495,000
since the numbers are going up by one and two etc, you see that two number stay the same 05 and 95