Native Americans in the Great Lakes–St. Lawrence Lowlands _____ before the arrival of Europeans.
died out from warfare and disease
were hunters and gatherers
lived in seacoast villages
lived in permanent settlements
The Tropical Grassland is the most common type of Ecosystem in Africa.
I believe the answer is B hope I helped
Answer:
A
Explanation:
The most common causes of a sinkhole are changes in groundwater levels or a sudden increase in surface water. A natural sinkhole typically occurs when acidic rainwater seeps down through the surface soil and sediment until it reaches a soluble bedrock like salt, limestone or sandstone.
Hope that Helped!