Please capitalize where necessary: if you choose google as your search engine, chrome will contact google when it starts or when you change networks so as to determine the best local web address to send search queries.
A: If you choose Google as your search engine, Chrome will contact Google when it starts or when you change networks so as to determine the best local web address to send search queries.

Q: if you want to know in advance what turns me off: i don't like rude and impatient, anxious people :s

A: If you want to know in advance what turns me off: I don't like rude and impatient, anxious people :s

Q: after two days of intense skimming (455 tons of water hyacinths removed on the 17th and 495 tons on the 18th), the river was still not fully cleared.
A: After two days of intense skimming (455 tons of water hyacinths removed on the 17th and 495 tons on the 18th), the river was still not fully cleared.

Problem: you can also bolster the effectiveness of bath and pool lifts with one of our ultra-strong shower stall grab bars.
Can you repeat this sentence, but capitalize it?
Answer: You can also bolster the effectiveness of bath and pool lifts with one of our ultra-strong shower stall grab bars.

Text: in the natural aging process, uv rays, mental stress and carbon monoxide gradually damage the skin. therefore, aging skin care needs more attention.

Correct capitalization: In the natural aging process, UV rays, mental stress and carbon monoxide gradually damage the skin. Therefore, aging skin care needs more attention.

Problem: for those who still want fresh vegetable during winter time, the cultivation of spinach in a greenhouse is the right thing to do. spinach tolerates low temperatures.
Can you repeat this sentence, but capitalize it?
Answer:
For those who still want fresh vegetable during winter time, the cultivation of spinach in a greenhouse is the right thing to do. Spinach tolerates low temperatures.