Explain how regions of developing countries are distinguished from regions of developed countries, referencing specific examples. What characteristics do geographers consider in making this determination? Why is it important that these characteristics be measurable? Your response should be a paragraph in length.

Answer:   [b]:   "cultural" .

The enviroment with hedge hogs

Answer(a); // soil salinization and waterlogging;

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.