Question

1. peoples trust in scientific accomplishment is best demonstrated by the lines \the air is rank with chemicals / dripping from nest, tree & ladder\ (lines 52 - 53) \darkness has come / but technology will triumph\ (lines 42 - 43) \flashlight in left hand / spray bomb in right\ (lines 2 - 3) \treat nests preferably at night / when insects are inside\ (lines 9 - 10) 12. the speaker views his task with uncertainty courage optimism resignation

Explanation:

1. The line "Darkness has come / but technology will triumph" shows trust in scientific - technological accomplishment as it implies that despite difficult conditions (darkness), technology will succeed. The other lines focus on actions or descriptions rather than trust in science.
2. Without more context from the full text, it's hard to be certain. But if we consider the overall tone of dealing with a task related to pest - control (from the lines about treating nests), the use of tools like a flashlight and spray bomb might suggest a sense of courage in facing the task.

Answer:

1. "Darkness has come / but technology will triumph" (lines 42 - 43)
2. courage