Which of these statements is correct ?
A) The amount of carbon on Earth is essentially constant.
B) The amount of carbon on Earth fluctuates with the seasons.
C) The amount of carbon on Earth is increasing because of plant and animal growth.
D) The amount of carbon on Earth is decreasing because of the consumption of carbon-based fuels.
E) All of these are correct.

Question

Which of these statements is correct ?
A) The amount of carbon on Earth is essentially constant.
B) The amount of carbon on Earth fluctuates with the seasons.
C) The amount of carbon on Earth is increasing because of  plant and animal growth.
D) The amount of carbon on Earth is decreasing because of the  consumption of carbon-based fuels.
E) All of these are correct.

Quizplus · Accepted Answer

The amount of carbon on Earth is essentially constant because the carbon cycle maintains a balance between the amount of carbon in the atmosphere, oceans, land, and living organisms. While there are fluctuations in the carbon cycle due to natural processes such as photosynthesis and respiration, the overall amount of carbon on Earth remains relatively constant. Choices B, C, and D are incorrect as they do not align with the known process of the carbon cycle.

Which of These Statements Is Correct