Max points and brainliest the diagram below shows four coastline locations on earth with respect to the moon at a given time. in this current position, which coastline(s) are experiencing a daily low tide? only a only b both a and c both b and d

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?