Which of the following is not a barrier to economic development? A foreign debt
B. political stability
C. widespread disease
D low levels of social welfare
Please select the best answer from the choices provided

What conclusión can be drawn about the middle east

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from