[2026] PTE Academic Listening - Fill in the Blanks (Type In)

Ocean exploration has been transformed by the use of autonomous underwater vehicles, or AUVs. These robotic are programmed to navigate the deep ocean without any direct human . Equipped with high-tech sensors, they can collect data on water , salinity, and chemical composition. AUVs are particularly useful for mapping the seafloor and identifying potential in hard-to-reach areas. This technology allows researchers to conduct long-term of marine ecosystems at a fraction of the cost of traditional expeditions. As our technical improve, these vehicles will become even more essential for understanding the vast mysteries of the ocean.