Which process causes earth to lose thermal energy to space? A. Radiation
B. conduction
C. Eruption
D. convection

Can someone me with 1 to 4 plz. fast

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?

Aplanet similar to earth has four moons roughly the same distance away. the moon that will most affect tides on the planet is the one that has the greatest a) mass. b) volume. c) density. d) amount of water.