Answer:
The correct answer is 2. The oldest fossils are typically found in the lowest layer, which corresponds to Layer 2 in this case. This is because layers of sedimentary rock are typically deposited in a chronological order, with the oldest layers at the bottom and the youngest layers at the top. As new layers are deposited over time, older fossils become buried deeper in the Earth's crust. Therefore, the lowest layer would contain the oldest fossils.
Step-by-step explanation: