<span>Most of the nitrogen gas in Earth's atmosphere comes from _____.
</span>
<span>
D. the breakdown of carbon dioxide</span>
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Answer:
The correct answer is it causes immediate pathogen lysis.
Explanation:
The complement system is a part of innate immune system which is called first line of defense mechanism of our body.
complement system along with various proteins and enzymes stimulate the phagocytic cells to attack the plasma membrane of foreign pathogen,Which ultimately result in the lysis of foreign pathogen by phagocytosis mechanism.
Answer:
B.AMericsans are not provided with free healthcare,while Canadians are.