What property allows carbon to form a wide variety of molecules? a. It is the fourth most abundant element in the universe.
O b. It has an average mass of 12 AMU.
O c. It's electron configuration.
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O d. It's number of protons.

O c. It's electron configuration.

Explanation:

Electronic configuration is the property that allows carbon to form a wide variety of molecules. It is fourth most abundant element in the universe after hydrogen, helium and oxygen. It has four electrons in its outermost shell due to which carbon forms four covalent bonds with other elements such as hydrogen, oxygen, and nitrogen. Carbon also has the ability to making rings.

the trilobite is used as an index fossil for various geologic time periods as specific types of the trilobites were present in different geological time periods. they are a group of marine arthropods belonging to the class of trilobita.

explanation: