Question: Q: What branch of biology focuses on heredity? Choices: - Epidemiology - ontology - semiotics - genetics A:
Answer: genetics

Question: Q: What is extracted from rock by heap leaching, flotation, or smelting? Choices: - methane - copper - fuel - ore A:
Answer: ore

Question: Q: The force on a charged particle in a magnetic field is always perpendicular to both its velocity vector and the? Choices: - position vector - track vector - gravity vector - field vector A:
Answer:
field vector