Final answer:
DDT in agriculture has toxic and long-lasting effects on the environment, impacts non-targeted organisms, and is not biodegradable.
Step-by-step explanation:
The use of DDT in agriculture has several impacts. First, it is important to note that DDT is toxic and it lingers in the environment where it is sprayed for extended periods of time. This persistence can have negative effects on both the environment and the organisms inhabiting it. Second, while DDT is effective in killing insects, including those that spread diseases, its use can also harm non-targeted organisms, such as birds, fish, and other wildlife. Lastly, DDT is not biodegradable, meaning it does not break down easily over time.
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