Answer:
from top to bottom
Explanation:
North pole, northern hemisphere, equator, southern hemisphere, south pole.
Antigens are substances capable of mobilizing the<u> </u><u>IMMUNE SYSTEM</u>
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<u>Your answer would be: </u> IMMUNE SYSTEM
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<u>Hope that helps! </u> : )
While living organisms contain a number of different elements, some elements are found in greater abundance in living organisms. These elements are oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.
Gravity, wind, ballistic, water, and by animals.
