Anormal value of blood cholesterol is 200g/l if normal adults has total blood value 5l. how much total cholesterol is presents

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

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