Biology, 04.08.2021 16:50 legendman27
James wants to estimate the absolute age of an animal fossil. However, test results show that the fossil doesn’t contain any atoms of carbon-14. What can James conclude about the lack of carbon-14?
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Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation
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Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
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Aplant may open end close its stomata to prevent excess water loss and maintain
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James wants to estimate the absolute age of an animal fossil. However, test results show that the fo...
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