Please capitalize where necessary: 1. december 2012 - marie my
A: 1. December 2012 - Marie My

Q: the nature and extent of the investment costs for those factories were not known with any degree of precision.

A: The nature and extent of the investment costs for those factories were not known with any degree of precision.

Q: keep it straight. catch hold of the right foot with both hands. exhale. draw the belly inward.
A: Keep it straight. Catch hold of the right foot with both hands. Exhale. Draw the belly inward.

Problem: description: pelican resting on the beach
Can you repeat this sentence, but capitalize it?
Answer: Description: Pelican resting on the beach

Text: cleaning up these temporary files with disk cleanup might not only solve your testbug462388.js error, but can also dramatically speed up the performance of your pc.

Correct capitalization: Cleaning up these temporary files with Disk Cleanup might not only solve your testBug462388.js error, but can also dramatically speed up the performance of your PC.

Text: it is made up of a charming maze of steep, narrow streets lined with quaint little shops and fine examples of old palatial homes hiding behind lichen-covered walls.

Correct capitalization:
It is made up of a charming maze of steep, narrow streets lined with quaint little shops and fine examples of old palatial homes hiding behind lichen-covered walls.