Nitrogen is very crucial for life because it is one of the important ingredient that is needed for plants to grow. Human and animals who eat plants materials obtain nitrogen from the plant. Nitrogen is needed in the humans and animals bodies for formation of proteins and nucleic acid which are very essential for life. When animals and humans die the nitrogen in their bodies return to the earth again and is used by plants.
Escape velocity, stillness is possible
Answer:
Any natural resources that cannot be replaced in a reasonable amount of time
Technology, science, and inventions enhanced the health of society, worldwide communication, and space travel.
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Answer:
it had a negative effect. Native American populations decreased drastically
Explanation:
Native Americans were not immune to the diseases europeans brought from the old world
