Final answer:
Rahim's farm fertility decreases, Rahim spends more money on crops, No aquatic animal harm near Raghav's farm
Explanation:
Rahim's farm becomes less fertile over a few years due to the continuous use of chemical fertilizers, which can deplete the soil of essential nutrients over time, leading to decreased fertility.
Rahim must spend more money than Raghav for growing crops as chemical fertilizers are typically more expensive than manure, which Raghav uses on his farm.
Aquatic animals nearby Raghav's farm start to die is not a likely outcome as manure, unlike chemical fertilizers, is less likely to cause harmful effects on aquatic life.
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