Which atmospheric gases are most abundant on Earth and allow life to flourish? O A carbon dioxide and carbon monoxide
OB. nitrogen and sulfur
OC. oxygen and nitrogen
OD. sulfur and oxygen

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

What must occur for air masses to form fronts

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust