Question

Which of the following best matches the description? Pesticide that remains unchanged for a long period of time.

1) weed
2) biocide
3) pheromone
4) macronutrient
5) organophosphate
6) rodenticide
7) auxin
8) chlorinated hydrocarbon
9) hard pesticide
10) soft pesticide
11) persistent pesticide
12) micronutrient
13) biomagnification
14) fungicide
15) herbicide
16) macronutrients
17) micronutrients

Answer 1

The best match for a pesticide that remains unchanged for a long time is a persistent pesticide, often organochlorines such as DDT, leading to accumulation in the environment.

Step-by-step explanation:

The pesticide that best matches the description of remaining unchanged for a long period of time is a persistent pesticide. Persistent pesticides are chemical substances that remain in the environment without breaking down for a long time after they are applied. Many persistent pesticides belong to the group of chemicals known as organochlorines, like DDT. Due to their long-lasting presence, they can accumulate in the environment and enter food chains, potentially causing harm to wildlife and humans.