Areas of high vulnerability to stream erosion are

[fw.02]sinkholes are often formed as a result of the actions of. a.heat on recharge b.pressure on aquifers c.acid in groundwater d.minerals in hot springs

Difference between shell and orbital

All of the following statements ere innovations that benefited farmers during the second agricultural revolution expect a. the iron plough b. the railroad c. animal husbandry d. plant domestication