question: to understand him, let us begin, first of all, by expounding the passage from goethe.
Capitalize this past sentence correctly.
A: To understand him, let us begin, first of all, by expounding the passage from Goethe.

question: the same numbers apply to neutrons and protons.
Capitalize this past sentence correctly.
A: The same numbers apply to neutrons and protons.

question: the gardena combisystem road broom has high-quality and smooth bristles made of polypropylene, and is made of high-quality plastic for high stability and long use.
Capitalize this past sentence correctly.
A: The GARDENA combisystem Road Broom has high-quality and smooth bristles made of polypropylene, and is made of high-quality plastic for high stability and long use.