If tomato is a fruit, is ketchup a smoothie?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

What are the similarities between compounds and mixtures?