Q: Iron is oxidized to fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or this? Choices: - displacement defect - spontaneous mutation - ladder complex - lattice defect A:
lattice defect

Q: Each megasporangium has a single functional one of what? Choices: - antispore - spicule - cocklebur - megaspore A:
megaspore

Q: Where does most geological activity take place? Choices: - plate buildings - plate waves - plate medians - plate boundaries A:
plate boundaries