How does the writer use design best practices to make the document easy to read? A. by using sentences for headings
B. by using font colors that coordinate with each other
C. by using graphics to present information in rows and columns
D. by using uniform length throughout the text​

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d