If the follow-up service is skipped, what percentage of pests or eggs remains?

If the follow-up service is skipped, what percentage of pests or eggs remains?

• A. 70% remain
• B. 50% remain
• C. 30% of adults and eggs remain
• D. 0% remain

Answer: (C)

The main idea is that follow-up service provides a second reduction beyond the initial treatment. If you skip it, you’re left with the pests that survived the first pass. Since the initial service eliminates about 70% of pests and eggs, 30% remain. Those remaining are adults and eggs, which is why the answer specifies 30% remain. Skipping the follow-up means that 30% isn’t reduced further. It isn’t 70% or 50% because those would imply different survival rates, and it isn’t 0% because only the follow-up can push the remaining pests down further.