B, C, D, B
I hope these are right, hope this helped.
A volcanic winter is a reduction in global temperatures caused by volcanic ash and droplets of sulfuric acid and water obscuring the Sun and raising Earth's albedo (increasing the reflection of solar radiation) after a large, particularly explosive volcanic eruption.
Glucose. <span>C6H12O6. Photosynthesis produces it and it is a reactant for cellular respiration. </span>
