Select the correct answer... Which statement about cellulose is true?
A. It’s a synthetic polymer.
B. It’s a raw material used to make plastic.
C. It’s produced using oil and gas.
D. It’s used to make paper products.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

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