Q: Which common element is the most found in living organisms?


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

Carbon is one of the most common elements found in living organisms. Chains of carbon molecules form the backbones of many organic molecules, such as carbohydrates, proteins, and lipids. Carbon is constantly cycling between living organisms and the atmosphere ( Figure below ). The cycling of carbon occurs through the carbon cycle .

 Choices:

- hydrogen

- oxygen

- monoxide

- carbon


A:
carbon