Please capitalize where necessary: 2. apparently inflexible adherence to specific, nonfunctional routines or rituals
A: 2. Apparently inflexible adherence to specific, nonfunctional routines or rituals

Q: the project thus exceeds the traditional tendency in occupation historiography to view the period 1940-45 as a closed circuit: "the dark parenthesis in danish history".

A: The project thus exceeds the traditional tendency in occupation historiography to view the period 1940-45 as a closed circuit: "the dark parenthesis in Danish history".

Q: the apartment has a double bed, a sitting area, a bathroom with shower and kitchen.
A: The apartment has a double bed, a sitting area, a bathroom with shower and kitchen.

Problem: the fastest and easiest way to open your nap file is to double-click it.
Can you repeat this sentence, but capitalize it?
Answer: The fastest and easiest way to open your NAP file is to double-click it.

Text: with the wordpress app, i'll probably post soon once a test post and the facebook app has the advantage, that current impressions / upload photos can immediately.

Correct capitalization: With the WordPress App, I'll probably post soon once a test post and the Facebook app has the advantage, that current impressions / Upload photos can immediately.

Text: but how should you choose a language to study? i think the first language you study should be one that will be most [...]

Correct capitalization:
But how should you choose a language to study? I think the first language you study should be one that will be most [...]