What are some qualities petroleum engineers need

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15

What is the amount of organic matter in all living organisms in a habitat called?