The statement that narcotics, or also known as opiates or painkillers, relieve pain, induce sleep and elevate mood is true. Correct answer: A
These drugs are prescribed to treat severe pain. However when a person uses a narcotic over a period of time, she greatly increases her risk of developing an addiction and can lead to health problems.
This is true hopefully you chose the correct answer.
I believe it’s consist of mainly collagen
Answer:
Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. Iron and steel rust when they come into contact with water and oxygen – both are needed for rusting to occur.
True for the first
False for second
True for the third