Carbon atoms can form many different molecules with many different shapes. Why is this beneficial to living things? Select all correct answers.
(More than one answer)

1.Carbon can bond to many different elements.

2.Carbon is always bound to oxygen, which is essential to all living things.

3.Carbon is a central element in most of the molecules that make up living things.

4.Living things require a variety of different molecules to form tissues and cells.

5.Living things require elements that can have four bonds.