Academic and Domain-Specific Vocabulary Practice Test

Read the passage. Amir learns that early civilizations grew near rivers with rich soil. They used agriculture to grow crops and feed more people. Some groups chose to domesticate animals, meaning they tamed them for farming and food. With steady harvests, families could save supplies and begin trade with neighbors. What is the meaning of domesticate as it is used in the passage?

Based on the passage, precipitation refers to ___. Chen watches dark clouds gather in the atmosphere. The meteorologist says precipitation may fall later, such as rain, snow, or sleet. Because the air is cooling, water drops can form and fall. Therefore, Chen packs a rain jacket for the bus stop. What does precipitation mean here?