Answer:
<h2>Petroleum that is worthwhile extracting is usually found trapped in layers of permeable rocks by other layers of impermeable rock, but more recently reserves of gas and oil are being extracted from shale which is an impermeable rock but is porous in the sense that there are spaces (pores) within its structure in which ...</h2>
Answer:
3
Explanation:
there are 3 arrows going which means it has 3 rays........
<span>South American countries have been attempting to mirror the free market system of the United States since around 1980 (the "Washington Consensus"). This has lead to economic stagnation in these countries. In order to boost their own economies, they are now looking at the models of more productive nations whose economies are growing very rapidly and are attempting to mirror their market systems. The main countries being scrutinized are China and India, who have nationalized many of their industries/resources. This would explain the shift.</span>
