1. put goggles on
2.but gloves on
3.put a lab coat on
Answer:
<em>CaCO3</em>
Explanation:
E.F. is looking for the lowest possible ratio
Answer: Region 3
Explanation: The temperature and time graph suggests that region 3 is the region in which the substance can co exist in both the phases that is solid phase and liquid phase.
Region 1 explains that the the solid has just started melting and there occurs a break point and then region 2 again explains that the solid is taking more time with temperature to get converted into the liquid and thus region 3 explains the equilibrium between the two phases.
