Answer:
accretion at convergent boundaries
Explanation:
the metal is easily shaped and does not contract with water
Because the mass is how much of something is in an object, gold and silver can have the same mass but have very different weights.
Hope I helped!
Explanation:
Method of prepration of sodium thiosulphate - definition
In the laboratory, this salt can be prepared by heating an aqueous solution of sodium sulphite with sulphur or by boiling aqueous NaOH and sulfur according to this equation:

Answer:
A - The can was open and gases were released.