Please capitalize where necessary: before you can open a s3i file, you'll need to figure out what kind of file the s3i file extension refers to.
A: Before you can open a S3I file, you'll need to figure out what kind of file the S3I file extension refers to.

Q: morning temperatures will be around 12 c. during the day they will reach a maximum of 23 c. low temperatures at night will be around 11c. we have weak southwesterly winds.

A: Morning temperatures will be around 12 C. During the day they will reach a maximum of 23 C. Low temperatures at night will be around 11C. We have weak southwesterly winds.

Q: the fastest and easiest way to open your cnc3replay file is to double-click it.
A: The fastest and easiest way to open your CNC3REPLAY file is to double-click it.

Problem: international conference on atlantis traditional scholars have been quick to dogmatic rejecting plato's atlantis as his own invention and to disparage other researchers who are followers of a historical atlantis as a reality.
Can you repeat this sentence, but capitalize it?
Answer: International conference on Atlantis Traditional scholars have been quick to dogmatic rejecting Plato's Atlantis as his own invention and to disparage other researchers who are followers of a historical Atlantis as a reality.

Text: 6.4 to improve your chances of success connectingromance.com provides you with a free icebreaker messaging service.

Correct capitalization: 6.4 To improve your chances of success connectingromance.com provides you with a free icebreaker messaging service.

Please capitalize where necessary: posted on december 27, 2014
A:
Posted on December 27, 2014