The system that recognizes foreign molecules and acts to immobilize, neutralize or destroy them is the

explanation:

i believe the primary and secondary sectors

the most likely outcome of fewer loon territories is that hawks would increase in proportion because the benefit of victory would be greater. hawks and loons are natural rivals of resources and victories in the game, since the lakes drying up affected the loons, the hawks would be benefited from the drought.

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modern american cars are not available due to trade restrictions