Question: Q: Inserting an extra plane of atoms into a crystal lattice produces what? Choices: - spot location - spot dislocation - edge location - edge dislocation A:
Answer: edge dislocation

Question: Q: What is often the cause of phenotypic differences between identical twins? Choices: - natural selection - genetics - learned behavior - environment A:
Answer: environment

Question: Q: Most of these bacterial illnesses can be prevented with proper cooking of food and washing what? Choices: - vegetables - hair - teeth - hands A:
Answer:
hands