Question: If solar panels can power lasers, then what can power lasers? Answer choices: - photons - rays or beams - rocks - heat energy - solar panels - nothing - energy - air
Answer: solar panels

Question: If sulfur dioxide has a negative impact on water quality, then what has a negative impact on water quality? Answer choices: - Reverse osmosis - fossil fuels - Fresh water - Carbon filter - chlorofluorocarbons - Sulfur dioxide - Pollution - harmful substances
Answer: Sulfur dioxide

Question: If dilation occurs when the rigid structure that surrounds the plant cell relaxes, then what happens before the rigid structure that surrounds the plant cell dilates? Answer choices: - It decreases - competition - air cools - relaxation - cracking - sweating - rapid expansion - It expands
Answer:
relaxation