<span>They can also be caused by dry skin,
using harsh cleansing detergent, being exposed to moisture or frequent
cold temperatures. Biting your nails can also damage the cuticle, which
increases the risk of hangnails as well as infection.
i hope this helps u! and if u can will u make me the </span><span>Brainliest answer thank you :) </span>
The smallest unit of many compounds is the molecule or formula unit..
because the molecule is the smallest unit that defines a molecular species. For non-molecular species such as salts etc..
Any of ...nitrogen dioxide, Ozone , PM, SO2.
