Chemical reactions A. Occurs only in living organisms
B. create and destroy atoms
C. only occur outside living organisms
D. produce new substances

Which of the following electromagnetic waves can create ions?

How hot is the suns corona? (integrated science)

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?