im trying to figure out those two but mostly the audience if you can help me with the subject one that would be helpful also thank youu:)

Select the correct answer. after months of heavy rains, a farmer noticed a steady drop in crop production. upon testing the farmland, it was found the soil was severely lacking nutrients. which of the following explains the loss of nutrients from the soil? a. drought b. drainage basin c. leaching d. water shedding