Scientists are helping to improve understanding of how rocks in Earth's hot, deep interior enable the motions of tectonic plates, which regulate the water cycle that is critical for a habitable planet.
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When cool air sinks it forces warm air to rise is a example of convection.
Secretary of defense is ahead but not a soldier in rank
In ranking its the general (which is the highest rank in the army)
Protein building begins with the DNA strand in the Ribosome. The DNA strand is essential to dictating the type of protein that is to be produced, based on the sequence of nucleic acids.
