Answer:
Uniformitarianism: assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the universe.
Explanation:
The Answer is B) support and protection because your bones protect and support your organs.
Nitrogen Fixation: Root and Bacteria Interactions. Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. ... The most important source of BNF is the symbiotic interaction between soil bacteria and legume plants, including many crops important to humans.
That would be Dinitrogen sulfide i believe :)
Hope this helps :)
This is probably to increase blood supply in the intestines. Blood is a transporter of digested food materials.