The idea that the oldest rocks will always be the bottom layer of a series of
rock layers is called the principle of ???

As heat and pressure increase, ductile deformation becomes less likely becomes more likely is replaced by elastic deformation stops occurring

What effect has the drug trade had on some governments in middle and south america? a. it has funded political instability. b. many nations have created democratic governments. c. many governments have allowed the drug trade to fund local programs. d. it has funded political stability.

The availability and cost of blank is a major component of a region's overall cost of living. marking brainliest answer btw only one answer -health care -transportation -housing -education its 20 pts