Which part of earth contains most of its mass?

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).

According ti the following map, what are the most common mineral resources found in the united states?

Quiero una redaccion de yo soy medico y que tenga 10 lineas