What is the difference between oceanic crust and continental crust

In a world that produces enough food for every human, why is the distribution of food consumption and production so unequal? in a few sentences, explain why production and consumption of food is lower in the least-development countries (ldcs).

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal