Oil is an example of a fossil fuel.
True False
What does it mean when something malfunctions?
it has no function
it does not work properly
the thing physically breaks
it does what it is supposed to do
Carbon monoxide is formed when carbon is not completely burned.
True False
Which of the following is not a main subject of this article?
numbers of carbon monoxide-related deaths
carbon monoxide safety in the home
the sign of carbon monoxide poisoning
how to install a carbon monoxide alarm in your home
Carbon monoxide is called the "silent killer" because the gas poisoning makes you unable to speak.
True False
Which of the following statements is true?
Carbon monoxide poisoning is never deadly
Natural gas does not produce carbon monoxide
Carbon monoxide kills more than 100 people every years in the US.
You can identify carbon monoxide by its smell.