Answer:
useful materials:
Baby powder.
• Sprinkle it on tangled jewelry to get knots out. ...
Clear nail polish. • ...
Coconut oil. • ...
Lemons. • ...
Mayonnaise. • ...
Newspaper. • ...
Pennies. • ...
Rubber bands. •
harmful materials:
acids.
caustic substances.
disinfectants.
glues.
heavy metals, including mercury, lead, cadmium and aluminium.
paint.
pesticides.
petroleum products.
Explanation:
