Q: Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what? Choices: - chemical trends - gravity trends - acoustic trends - periodic trends A:
periodic trends

Q: Evolution that occurs over a short period of time is known as what? Choices: - short term evolution - pseudoevolution - relatedness - microevolution A:
microevolution

Q: Natural selection can only take place if there is variation, or differences, among individuals in a population. importantly, these differences must have some genetic basis; otherwise, the selection will not lead to change in this? Choices: - fertilization - spontaneous mutation - mass extinction - next generation A:
next generation

Q: What is the"packet" of energy called that the nucleus emits during gamma decay? Choices: - transient particle - radioactive particle - ultraviolet particle - gamma particle A:
gamma particle