The degree of vertex D is if it is an indegree or outdegree, it is 1 degree in vertex D.
I think it’s a nation, I’m sorry if it’s wrong :(
"The lithosphere is subdivided into tectonic plates. The upper part of the lithosphere which chemically reacts to the atmosphere, hydrosphere and biosphere through the soil forming process is called the pedosphere. The lithosphere is underlain by the athenosphere which is the weaker, hotter, deeper part of the upper mantle."
Explanation:
• If new oceanic crust is being continuously created
along the earth’s spreading ridge system, then we
must find some way to re-cycle it back into the
mantle. [WHY? –otherwise the earth would be
expanding!!!!]
The correct answer is b because not all countries can support themselves (c) and malnourishment can occur in any country. For example, in the United States, around 40 million people lived in food insecure households. Also, according to my middle school english teacher, the world will not have enough food to sustain itself by 2050 (a).
