How far away in km
, is proxima centauri from the sun

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

If two objects at different te,peraure are in contact with each other what happens to their temperature

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?