Answer:
Mississippi River Watershed
Explanation:
The largest watershed in the United States is the Mississippi River Watershed, which drains 1.15 million square miles from all or parts of 31 U.S. states and two Canadian provinces stretching from the Rockies to the Appalachians!
I would say dust storm, From us moving earth.
Answer:
An understanding of biology can help you make choices and decisions that affect your health. Biologists and other scientists research environmental issues such as pollution, biodiversity,land conservation, and natural resource use.
Explanation:
Hope this helped Mark BRAINLIEST!!!
For question 3, it would not leak through the whole sandwich because the cell membrane is thick