Which statement best describes why warm ocean currents are usually surface currents?
a)warm water is less dense than cold water.
b)ocean tides bring warm water to the surface.
c)warm water contains more salt than cold water.
d)ocean water loses heat to the air at the surface.

What heat is removed how does a gas become a liquid

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).