Do substrates bind the active site permanelty or temporally

Which of these best describes an ionic bond?

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?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false