The answer is A.
p=m/v
p= 240/60
p= 4 g/cm^3
Answer:
Single replacement
Explanation:
A reaction in which one element replaces a similar element is called single replacement. In this case, C is replacing A.
There is no apparatus for it. It is either use something like ruler and table and rub together or rub our hands, and friction force will be showed.
