White boards are more environmentally friendly because chalk leads to airborn dust being breathed into the lungs. It also eliminates the need for the manufacturing and shipping of chalk.
It can be because some sidewalk chalk contains lead.
A major component of sidewalk chalk is calcium carbonate, CaCO3
Sharon McKay invented sidewalk chalk, after she wrote books that included it.
Sidewalk chalk vandalism is not a common issue in our community.
Chalk itself is a naturally occurring mineral, so it is generally considered environmentally friendly. However, some commercial chalk products may contain additives or binders that could be harmful to the environment. It's best to look for eco-friendly and non-toxic options when choosing chalk.
colored chalk sidewalk chalk dustless chalk
How are they not environmentally friendly
ya i think so... type in "how to chalk your hair with sidewalk chalk" and the first website to pop up will probably be "the mane dish"... click that and TA DA
Yes, both sidewalk chalk and blackboard chalk are typically made of calcium sulfate. However, sidewalk chalk is often mixed with additional ingredients like pigments and binding agents to make it more durable for outdoor use.
Hello I deleted the answer... Your welcome DB
No, it is generally not illegal to use sidewalk chalk for drawing on public sidewalks or other public spaces. However, it is important to check local laws and regulations as some areas may have restrictions on where and when sidewalk chalk can be used.