Yes
man
phsyical activities
Rusting is a chemical change because under it iron goes under oxidation and oxidation is a chemical process. Also, a physical change can be reversed but a chemical change cannot and rusting cannot be reversed. Hence also rusting is a chemical change.
The auther of the book does not explain her phsyical features.
When your scar turns purple in the shower, it is likely due to increased blood flow to the area caused by the warm water. This can make the scar appear more noticeable and change color temporarily.
Scar.
Scar.
Yes, having a scar can be considered a continuous condition, as it represents a lasting change in the skin resulting from the healing process after an injury. Once formed, scars persist over time, although their appearance may change. They may fade or become less noticeable, but the scar tissue remains as a permanent reminder of the original injury.
Elements thare are in the same goup have similar phsyical and chemical properties.
scar
No scar.
The SCAR-S is a 5.56mm and the SCAR-H is 7.62mm