Please capitalize where necessary: and finally, come to your chosen dental clinic and receive high quality dental treatment.
A: And finally, come to your chosen dental clinic and receive high quality dental treatment.

Q: a guide to choosing, purchasing, and using, safe and reliable consumer fireworks.

A: A guide to choosing, purchasing, and using, safe and reliable consumer fireworks.

Q: to begin your free file analysis, simply drag-and-drop your maps file inside the dotted lines below, or click "browse my computer" and select your file.
A: To begin your free file analysis, simply drag-and-drop your MAPS file inside the dotted lines below, or click "Browse My Computer" and select your file.

Problem: some did survive and eventually were deciphered.
Can you repeat this sentence, but capitalize it?
Answer: Some did survive and eventually were deciphered.

Text: however, the ultimate objective is not just to get knowledge, but rather to take advantage of that knowledge in daily life.

Correct capitalization: However, the ultimate objective is not just to get knowledge, but rather to take advantage of that knowledge in daily life.

Q: -with 12 or 14 years.
A:
-With 12 or 14 years.