Pollution refers to the presence or introduction of harmful substances into the environment that can cause damage to living organisms or ecosystems. It can occur through various sources such as industrial activities, vehicle emissions, or improper waste disposal.
Connect this key term to the AP exam workflow: review the course, practice questions, and check related study tools.
Review units, study guides, and course resources.
Check this vocabulary in multiple-choice context.
Apply key concepts in written AP responses.
Estimate the exam score you are working toward.
Review the highest-yield facts before practice.
Put the full course together before test day.