What are two reasons that average population age is increasing in developed countries?

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

In russia which of these challenges affects the transportation of both petroleum products and other goods?