Answer:
Stress - It is a response to a threat.
Anxiety - It is the reaction to the stress.
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Air pollution is the presence in or introduction into the air of a substance which has harmful or poisonous effects.
Ill health is : a condition of inferior health in which some disease or impairment of function is present but is usually not as serious in terms of curtailing activity as an illness elderly parents who are in ill–health and need their financial and personal help
Explanation:
prejudice, preconceived opinion that is not based on reason or actual experience.
discrimination, the unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, sex, or disability.
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