Text: hi, my name is sweetangelts and i am 19 years.

Correct capitalization: Hi, my name is sweetangelts and I am 19 years.

Text: abnormal amount of flatulence (i.e, passing gas)

Correct capitalization: Abnormal amount of flatulence (i.e, passing gas)

Text: a are thefour thinline corner parts.

Correct capitalization: A are thefour Thinline corner parts.

Text: and these, having entered into caesarea, and given up the letter to the governor, presented paul also to him.

Correct capitalization:
And these, having entered into Caesarea, and given up the letter to the governor, presented Paul also to him.