Sulphuric acid is a strong acid but acetic acid is weak acid why

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Define dew point. i am writing this part to be able to ask the question

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?