If the distance from the ridge increases, the age of rocks also increases.
A, I just know its not any of the other ones
Answer: Considering the lack of natural resources, labor problems, lack of capital and little industrialization of developing countries. This countries can develop by increasing the agricultural aspect of the country.
Explanation: Agriculture of some specific produce readily sort for around the world should be focused on. Thereby the exportation of this produce would generate revenue for this countries.