Question: If spacecraft are propelled by thrust, then what propels a spacecraft? Answer choices: - sunlight - energy - friction - photons - heat - moon - thrust - engine
Answer: thrust

Question: If acamera needs a mirror to help redirect light, then what redirects light in a camera? Answer choices: - cactuses - microscope - photons - electricity - The shutter - A mirror - A photo - The film
Answer: A mirror

Question: If chemical weathering causes pyrite to change to limonite, geothite and hematite, then chemical weathering causes what to change to limonite? Answer choices: - pyrite - growth - Collagen - fibrous - cellulose - soil - cracks - calcite
Answer:
pyrite