When water vapour rises from oceans it cools condenses to form what?

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

Which metal exist in liquid state and can be cut with knife ?

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?