How do ocean currents affect temperature? Check all that apply. They carry cold water from the poles to the equator and cool air over land. They flow north and then south below the equator. They flow south and then north above the equator. They move warm water from the equator to the poles and heat air over land. They move east to west and create prevailing winds. They move west to east and create seasonal winds.

Which sentence best explains the high melting point, boiling point, and surface tension of water? a. the hydrogen atom on each water molecule is strongly attracted to the hydrogen atoms on nearby molecules. b. ions dissolved in the water cause nearby molecules to become temporarily polar. c. the water molecules are connected to each other with covalent bonds. d. water molecules that have lost electrons attract the water molecules that have gained electrons. e. the negative side of each water molecule is attracted to the positive sides of nearby molecules.