Question

which of the following is naturally found in the earths environment?
○ plastics
○ carbon dioxide
○ styrofoam
○ plutonium

Explanation:

• Plastics are synthetic materials made by humans, not naturally occurring.
• Carbon Dioxide ($\ce{CO_2}$) is naturally present in the Earth's atmosphere, produced by processes like respiration and volcanic activity.
• Styrofoam is a man - made plastic - based material, not natural.
• Plutonium is a synthetic element, mostly produced in nuclear reactors, and not naturally found in significant amounts in the Earth's environment.

Answer:

B. Carbon Dioxide