Question: If contact between solid mineral deposits over long periods of time causes them to smooth, then contact between solid mineral deposits over long periods of what causes them to smooth? Answer choices: - time - vacuum - widen - cracks - clocks - years - Bend - instant
Answer: time

Question: If some viruses can cause lymphoma, then what can some viruses cause? Answer choices: - extinction - Allergies - Dehydration - anemia - lymphoma - relocation - Pollution - Toxicity
Answer: lymphoma

Question: If salamanders breathe with gills as larvae and lungs as adults, then what breathes with gills as larvae and lungs as adults? Answer choices: - salamanders - animals - respiration - gastropod shells - fish - h2o - insects - it needs them
Answer:
salamanders