A. Magnesium is an element and after it is burned it is a compound
Answer:
Solids cant react to each other because they are the same room temperature
Although there isn’t a picture a graph can be misleading when it doesn’t start at zero, it doesn’t give accurate information, it skips too many numbers, the vertical scale is too big or too small. Hope this helps
Answer:
Energy
Explanation:
Between gas to liquid, or liquid to gas, will give off extra energy to the surrounding environment