What type of molecule is shown below? O II нсон O A. Alcohol . B. Ketone C. Aldehyde D. Ether​

When a septic tank backs up a goes in to clean it out

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions