ANSWER ASAP GIVING BRAINLIEST AND OTHER THINGS! Answer the following with 5 or more sentences:
What is the function of the permanent magnet in a speaker?

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?

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.