"sankey diagrams use arrows to represent energy or materials (fluxes) flowing through a system. arrow width is proportional to the magnitude of the flow." is this statement true or false? a. true b. false

A. TRUE        

Explanation:

The answer is TRUE.

Sankey diagrams are used to show flow of anything that is flowing. The width of each flow shows the quantity of each flow.

Sankey diagrams are a kind of flow diagrams where the width of the arrows shown is directly proportional to the flow rate.

Sankey diagrams is named after Matthew Henry Phineas Riall Sankey, an Irishman who first used this Sankey diagram to show energy efficiency of a steam engine in the 1898 in a publication.

It is a graphic demonstrations of flows, like materials, energy, or money flows.

Thus the answer is TRUE.

i think it's b or c hope this