Student measured the length of a metal piece and found it to be 23.1 cm. The actual length of the piece of metal is 22.0 cm. Answer the following questions:
a) Calculate the error in the length of metal.
b) Calculate the percentage error in the length.

What must happen before a body cell can begin mitotic cell division

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

Rays from the sun are not considered matter true or false