Question: You are presented with the question "How do boreal species ensure their survival?" and the following answer choices: - Staying put - population movement - Leaving children behind - Earth's magnetic field - Going to work - food and shelter - genetic diversity - looseness of dirt or compost Now knowing that earth 's magnetic patterns are used for finding locations by animals that migrate and boreal and temperate species have generally survived by migrating, choose the best answer.
Answer: Earth's magnetic field

Question: You are presented with the question "a very heavy material is formed by what?" and the following answer choices: - eating - weathering - Condensation - rainfall - calcite - seeding - burning - sanding Now knowing that soil is formed by weathering and soil or dirt is a very heavy material, choose the best answer.
Answer: weathering

Question: You are presented with the question "What does a mirror reflect?" and the following answer choices: - our nearest star - focusing a lens - kinetic energy - sound waves - sun's heat - heat energy - body water - visible energy Now knowing that amirror is used for reflecting light and light is the visible form of electromagnetic energy, choose the best answer.
Answer:
visible energy