All of the following are part of the digestive system except the
select one of the options below as your
a. stomach
b. esophagus
c. intestines
d. heart

Which statement is best described as a atom

How have the greenhouse gasses increased from the year 2000 to 2018

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