Some possible properties of modern insecticides are listed below, When these insecticides are used which property helps to keep environmental pollution at the lowest level?
A. Accumulation in the bodies of predators.
B. Quiqly broken down by bacteria.
C. Easily washed into lakes.
D. Extremely poisonous.
It looks to me as though only one of these answers clearly answers the question.
Obviously, D is wrong.
It is? I thought it was D.
So is it A 'cuz I don't know what Accumulation means.
http://dictionary.reference.com/browse/Accumulate
Then is the answer A or B ?
Pesticide that accumulates in the bodies of predators remains in the environment.
If a pesticide is broken down by bacteria, it is rendered ineffective.
To determine which property helps keep environmental pollution at the lowest level when modern insecticides are used, we need to evaluate each option:
A. Accumulation in the bodies of predators: This property implies that the insecticide will accumulate in the bodies of predators that feed on the insects, potentially leading to biomagnification and adverse effects on the predator population. This can result in environmental pollution and disruption of the ecosystem.
B. Quickly broken down by bacteria: This property indicates that the insecticide can be readily broken down by bacteria present in the environment. If the insecticide is broken down into non-toxic components quickly, it will minimize its presence and persistence in the environment, thereby reducing environmental pollution.
C. Easily washed into lakes: This property suggests that the insecticide can be easily washed into lakes, which can lead to contamination of the water and negative impacts on aquatic organisms. Thus, this property can contribute to environmental pollution.
D. Extremely poisonous: This property signifies that the insecticide is highly toxic, and even small amounts can cause harm to targeted insects. However, if the insecticide remains toxic even after application and does not degrade quickly, it can escalate environmental pollution.
Based on the above analysis, the property that helps keep environmental pollution at the lowest level when modern insecticides are used is option B: "Quickly broken down by bacteria." When an insecticide can be efficiently degraded by bacteria in the environment, it minimizes its persistence and reduces the likelihood of widespread pollution.