134. Solving a chemistry problem
Seller: Derkach
Price: 1.20 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
- How can one explain that a piece of chalk on a wet cloth quickly absorbs moisture and dry cloth on a wet piece of chalk not damp?
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.