Please capitalize where necessary: alice did not at all like the tone of this remark, and thought it would be as well to introduce some other subject of conversation.
A: Alice did not at all like the tone of this remark, and thought it would be as well to introduce some other subject of conversation.

Q: families and friends can send greetings to the runners by using the hashtag #cphmarathon on twitter, instagram or facebook. selected posts are displayed on the big screens and in the live video stream.

A: Families and friends can send greetings to the runners by using the hashtag #cphmarathon on Twitter, Instagram or Facebook. Selected posts are displayed on the big screens and in the live video stream.

Q: other, in coils, not further worked than hot-rolled, pickled
A: Other, in coils, not further worked than hot-rolled, pickled

Problem: as you progress you can ...
Can you repeat this sentence, but capitalize it?
Answer: As you progress you can ...

Text: in the micro-world the atoms are small centres of force around which there are small planets or globes, the so-called electrons.

Correct capitalization: In the micro-world the atoms are small centres of force around which there are small planets or globes, the so-called electrons.

Q: there have been several suggestions as to who the sons of god were and why the children they had with daughters of men grew into a race of giants (that is what the word nephilim seems to indicate).
A:
There have been several suggestions as to who the sons of God were and why the children they had with daughters of men grew into a race of giants (that is what the word Nephilim seems to indicate).