Answer:
burning of wood ,cooking an egg,baking a cake,rusting of iron,digestion of food .
genetics and reproduction is all about dna.
Another gas that was used to fill balloons was hydrogen. The reason why hydrogen is not used today is because it use to cause many fires when it was used to fill balloons up.
Hope I helped you! :)
Answer:
Mercury responds to temperatures differently than water. When mercury is cold, the molecules bunch together, making it seem to be less liquid, and the opposite happens during heat.
Hope this helps!
Answer:
a salt
Explanation:
compounds are made of molecules but we need to mention the type of compound formed.
