Withdrawal symptoms are usually the opposite of the effects and side effects of the drug.
a. true
b. false

That statement is true

For example when someone is in middle of withdrawal process from pain killers addiction, he will experience pain all over his body. The more addicted he is to the drugs, the more excuriating the pain that he will feel during the process

The freezing point of the ice is lowered because of the rock salt which then allows the ice to observe heat from the ice cream mixture without it melting.