Explanation:
The difference is between what is being studied and how the subjects are studied.
The natural sciences study the natural or physical world.
The human sciences study humans and their interactions with the world.
In general, the natural sciences have more definite quantitative data, whereas the data for human sciences are more variable and are easily biased.
The natural sciences include physics, chemistry, biology and earth sciences.
The human sciences include anthropology, psychology, political sciences, economics, etc.
I believe the Sun will become a C. Red Giant.
When a star uses up its hydrogen fuel, it starts getting cooler and cooler, but also much much bigger. When our Sun becomes a Red Giant, it will become many times larger than it is now, but as its temperature goes down it will turn its color from yellow to red or orange. In time, it will either become a White Dwarf or create a black hole.