Why is oxygen considered highly electronegative?
A) It pulls electrons toward itself.
B) It has a nonpolar structure.
C) It repels electrons away from its nucleus.
D) It discharges electrons readily out of the atom.
A
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Answer the following statement true (T) or false (F)
Cage exclusion studies have demonstrated that polychaetes are a common prey item of:
a. gray whales. b. crabs. c. fish. d. both b and c. e. a and b only.
Animal cloning is a difficult process with a low success rate.
Answer the following statement true (T) or false (F)
Soil formation is due to
A. decomposition of organic matter. B. chemical weathering of rock. C. mechanical weathering of bedrock. D. All of the choices are correct.