The energy needed to melt a solid is know as the lantern heat of... ​

Lantern heat of fusion.

Explanation:

The energy needed to melt a solid is know as the lantern heat of fusion.

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.