Pollution：练习题

What is an immediate ecological effect of excess nitrates and phosphates from agricultural runoff entering an aquatic ecosystem?

Methane (\(CH_4\)) is a potent pollutant. Which statement correctly identifies a major source of methane and its primary environmental effect?

Non-biodegradable plastics in marine environments pose a significant threat to wildlife. Which direct impact is most commonly associated with these plastics?

A particular aquatic ecosystem is observed to have a high concentration of nitrates and a noticeable decrease in the population of oxygen-sensitive invertebrates. This situation is most consistent with pollution from:

Which of the following is a major human-induced source of methane (CH ₄) contributing to air pollution?

Describe one specific negative impact of non-biodegradable plastic pollution on marine organisms.

Propose two distinct, practical solutions to mitigate the global problem of non-biodegradable plastic pollution in both terrestrial and aquatic ecosystems, explaining the biological benefits of each solution.

Outline the immediate environmental changes that occur in an aquatic ecosystem following the introduction of excess nutrients from agricultural runoff, leading towards eutrophication.

State two common greenhouse gases that contribute to air pollution and explain their collective effect on the global climate.

Discuss the environmental impacts of both untreated sewage and non-biodegradable plastics in marine ecosystems. Compare and contrast their primary effects on marine life and the environment.