Question: To unclog a sink drain using boiling water,
Option 0: combine salt and baking soda and put it down the drain, use the stove to boil some water in a tea kettle and then pour it down the drain, then flush the drain with water from the faucet.
Option 1: combine salt and baking soda and put it down the drain, use the stove to boil some water in a teaspoon and then pour it down the drain, then flush the drain with water from the faucet.
Answer: 0