Please capitalize where necessary: the smell is the sense we know much about. the brain's limbic system is activated when we smell.
A: The smell is the sense we know much about. The brain's limbic system is activated when we smell.
Q: my thoughts were centered around what could be causing it, where it could of originated from, why it was dominating my senses and why did it appear to be coming this way?

A: My thoughts were centered around what could be causing it, where it could of originated from, why it was dominating my senses and why did it appear to be coming this way?
Q: beautiful pictures and relaxing to look at, for anyone who loves nature.
A: Beautiful pictures and relaxing to look at, for anyone who loves nature.
Problem: finally, you can now discover everything you need to know about your gds file... instantly!
Can you repeat this sentence, but capitalize it?
Answer: Finally, you can now discover everything you need to know about your GDS file... instantly!
Text: the youth, whether immigrant offspring, young immigrants or refugees experience discrimination as they are met with prejudice and not seen as independent persons.

Correct capitalization: The youth, whether immigrant offspring, young immigrants or refugees experience discrimination as they are met with prejudice and not seen as independent persons.
Q: if you want to know in advance what turns me off: rude people, quick-fires
A:
If you want to know in advance what turns me off: rude people, quick-fires