Question

what is the visual below an example of? methane ch4 element compound atom

Explanation:

An element is a pure substance made of only one type of atom. An atom is the smallest unit of an element. A compound is a substance made up of two or more different types of elements chemically combined. Methane ($CH_4$) is composed of carbon (C) and hydrogen (H) atoms chemically bonded together.

Answer:

B. Compound