Q: What are the most common types of compounds found on earth?


Read this paragraph and choose the correct option from the provided answers:

Cellulose is a compound found in plants. The chief component of cellulose is carbon. Cellulose is one of many carbon-based compounds that make up living things. In fact, carbon-based compounds are the most common type of compound on Earth. More than 90 percent of all known compounds contain carbon. Do you know why carbon is found in so many compounds? Read on to find out.

 Choices:

- sodium - based compounds

- ionic compounds

- hydrogen-based compounds

- carbon-based compounds


A:
carbon-based compounds