Answer:
Threats to the Great Lakes' ecosystems, include invasive species, climate change, pollution, and habitat destruction. Climate change affects water temperatures, weather patterns, and lake levels. Pollutants from residential, agricultural, and industrial areas reduce water quality.
Explanation:
In the text this passage was provided for, you should have been able to locate the fallowing passage: "the theory that the lithosphere is broken into pieces that float on the asthenosphere."
Answer: Lithoshpere
