Students report that the sky in their area has mostly cirrus clouds. What are most likely the weather conditions in the area? * rainy weather
dark, overcast (blocking the sunlight)
stormy weather
fair, pleasant weather

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?