Persistence of chemicals can be a concern for health because such Blank______.Multiple choice question.chemicals are unstable and they degrade rapidly in toxic agents that bioaccumulate in living organismsreactive chemicals are highly water-soluble and easily move from the environment into living organisms where they interfere with cell functionstable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally usedNeed help? Review these concept resources.

Persistent organic pollutants (POPs) are a concern because being Blank______.Multiple choice question.they degrade rapidly and their components, which easily spread, are more dangerous than the POPs themselvesstable, they do not degrade easily and have become extremely widespread in the environmentwater soluble, they precipitate out of the atmosphere and tend to build up in high concentrations in areas close to where they were usedNeed help? Review these concept resources.

Multiple Choice QuestionWater held in sealed plastic bottles for long periods of time may Blank______.Multiple choice question.accumulate bacteria or other toxins from the surrounding environmentcontain plasticizers and other toxic chemicals leached from the bottlechemically break down into highly toxic substancesNeed help? Review these concept resources.

Multiple Select QuestionSelect all that applyOf the many factors that determine whether a particular chemical will prove to be dangerous, which of the following are based on the nature of the chemical agent itself?Multiple select question.The individual exposed is particularly sensitive to the chemical agent.The chemical agent is water-soluble.The chemical agent is not biodegradable and thus is persistent in the environment.The chemical agent was ingested only if one ate the skin of the apple.

What describes a chemical, physical, or biological change that harms organisms or their environment?Multiple choice question.pollutionextinctionoverexploitationconservation

Water pollution is the addition of harmful substances to water. Some of these substances are found at home. What household chemicals might be harmful if not disposed of properly? make it one sentence