The enamel is the strongest substance in our bodies mainly inside your mouth.
A is the answer. Chemical changes happen when atomic bonds are broken or created during chemical reactions. Hence, in this case, it involve changes to molecular structure.
- Change in states are physical changes.
- When salts are dissolved in water, you can use Distillation to separate them. Distillation is a physical change as well.
- Dissolving is just physical change.
Explanation:
6/t1=4/293= 1750/4 =439.5-273=166.5
Answer:
last one is the correct and most suitable option.
Hope it helps!!!
