Please capitalize where necessary: why then would people go out of their way to actually make the environment appear more dangerous than it already is?
A: Why then would people go out of their way to actually make the environment appear more dangerous than it already is?

Q: it is the purpose of this book to dispel those ignorances, and to make clear the laws set in motion for human happiness and joy.

A: It is the purpose of this book to dispel those ignorances, and to make clear the laws set in motion for human happiness and joy.

Q: it was designed by giovanni lorenzo bernini, and was completed by nicola salvi in 1762. the fountain became world famous when anita ekberg splashing around in the "la dolce vita".
A: It was designed by Giovanni Lorenzo Bernini, and was completed by Nicola Salvi in 1762. The fountain became world famous when Anita Ekberg splashing around in the "La Dolce Vita".

Problem: fold the two corners as high above the eye as the can. turn over.
Can you repeat this sentence, but capitalize it?
Answer: Fold the two corners as high above the eye as the can. Turn over.

Text: it is a huge open space with monumental sculptures of ancient hungarian heroes. only the column in the middle casts a slim shadow.

Correct capitalization: It is a huge open space with monumental sculptures of ancient Hungarian heroes. Only the column in the middle casts a slim shadow.

Q: what remains is to make this news known to the general public.

A:
What remains is to make this news known to the general public.