Which sedimentary rock is most likely to be changed to slate during regional metamorphism?

Explain why the rate of urbanisation is in the way it is between developed and undeveloped countries.

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer

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