The correct answer is option B, that is, remove carbon dioxide from the atmosphere.
Explanation:
When one studies the carbon cycle taking place on the Earth, the plants are considered as a good starting point. The plants exhibit a procedure known as photosynthesis, which allows them to take carbon dioxide from the atmosphere. The plants captivate carbon dioxide, sunlight, and water to produce their own food, develop, and discharge oxygen via the process of photosynthesis.
What happens to the population density and competition if the birth rate decreases? The birth rate would increase is the population density competition increased. Hope I helped.
