Why do scientist sometimes discard theories?
a - the steps scientific met that were not followed in order

b- public opinion disagrees with the theory

c- the theory is opposed by the church

d- contradictory observations are found

e- congress voted against it

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