Answer:
Tsunami “Watch” and “Warning” A Tsunami Watch is automatically declared by the Pacific Tsunami Warning Center ( PTWC ) for any earthquake magnitude 7.5 or larger (7.0 or larger in the Aleutian Islands) if the epicenter is in an area capable of generating a tsunami.
Answer:
The correct answer might be A.
The correct answer is - bison.
The Native Americans that were living on the Great Plains were heavily engaged into hunting bison, and were heavily dependent for survival on the bison meat as a food source, and the fur as a material for making clothes. Unfortunately, this led over time to a significant decrease in the number of bison herds on the Great Plains.