Answer:
Option (2)
Step-by-step explanation:
Carbon dioxide (CO₂) gas is one of the most important green house gas present in the atmosphere. The increase in the concentration of this gas can lead to the increase in the global temperature of the earth.
This CO₂ gas is used by the plants in the presence of sunlight, water in order to produce the food that are consumed by the consumers and liberates oxygen that is essential for all life forms on earth. This process is known as the photosynthesis process.
Thus, the plants plays an important role in the carbon cycle process by taking in the carbon dioxide gas.
Hence, the correct answer is option (2).