Describe the steps taken to do an effective search using a search engine. what is the difference between the table of contents of a book and its index? what information is contained in a reader's guide entry? why would you use who's who? what would you go to a reference librarian for?

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

answer; ( elites );

answer; the above statement is (true);