Answer: C. Producer populations will decrease, causing a decrease in consumer populations.
Explanation:
According to the situation, the volcanic ash will mask the light energy from sun. The sunlight is the main requirement for the producers to synthesize their own food by the process of photosynthesis. The population of plants and other autotrophs will be affected by this. The other organisms in the ecosystem will be affected as decline in the population of producers will result in decline in the population of consumers due to lack of food.
often the first clinical manifestation of APSGN. Dark urine is caused by hemolysis of red blood cells that have penetrated the glomerular basement membrane and have passed into the tubular system. Periorbital edema is typical.
I believe the answer is: Different scientists use different data for investigation. I say that because different scientists have different equipment, ideas, and have different methods. I hope I was right and i hope it helped and i wasn't to late to answer this question.