Two coffee farms used different methods to grow coffee. Hill farm grown coffee conventionally, while Valley farm is into shade-grown coffee production. Which farm purposely raised coffee under tree canopies?
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Answer: Valley

Scientists studied water stratification in two saltwater lakes. they were trying to find out why the fish population decreased in Long lake, and was very healthy and abundant in Shoal lake. They found out the phenomenon occurred more often in Long lake, leading to very many unpleasant chain effects. Which lake had a larger fish population?
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Answer: Shoal lake

Bill and Paul were farmers. Bill used insecticides to get read of aphids, while his buddy farmer Paul didn't. Which farmer used a strong water jet to kill aphids?
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Answer:
Bill