a subject catalog facilitates the search.

How would the previous sentence be correctly capitalized?
Answer: A subject catalog facilitates the search.
xandros desktop is another debian-based distribution for the desktop market, which appeared after corel linux.

How would the previous sentence be correctly capitalized?
Answer: Xandros Desktop is another Debian-based distribution for the desktop market, which appeared after Corel Linux.
what is file extension ncp?

How would the previous sentence be correctly capitalized?
Answer: What is File Extension NCP?
the non-ionic dyes and pigments are sparingly soluble in water and have, in general, high octanol-water partition coefficients (log kow 3 to 8).

How would the previous sentence be correctly capitalized?
Answer: The non-ionic dyes and pigments are sparingly soluble in water and have, in general, high octanol-water partition coefficients (log Kow 3 to 8).