Final answer:
Plant and animal fossils, along with water samples, have helped scientists understand Antarctica's past environments.
Step-by-step explanation:
Scientists have used plant fossils and animal fossils as clues to piece together Antarctica's past environments. These fossils provide evidence of the types of plants and animals that once existed in Antarctica and can help scientists understand the climate and ecosystem of the past. Additionally, water samples taken from beneath Antarctica's ice have also provided valuable information about the continent's geologic history, including past climate conditions and the presence of ancient microorganisms.
Learn more about Antarctica's past environments