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What is the pH of acids?
A. between 7 and 14
B. equal to 7
O
C. below 7
D. above 14

Name the organs of humanelemintary canal.

Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.

Which phrase best describes the main goal of a human community