What are the five classes of controlled substances

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

  the mississippians were considered to be  horticulturalists, which means they were

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.