Select the names of each layer of the Earth

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).

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?