Select the correct answer from the drop-down menu. SI units are the modern form of the: A. geological system of measurement B. metric system of measurement C. US Customary System of measurement D. Imperial units of measurement.

Plants require carbon molecules during photosynthesis to produce sugar. In the event that one of the required components in photosynthesis goes missing, the entire process would be affected. In this case, the rate of photosynthesis will decrease dramatically. If the plant is not getting the organic compounds needed to produce its own energy, the plants will wilt and die.