(ANSWERED) Why were von Mayer, Joule, Kelvin, and von
Helmholtz able to define conservation of energy in
the same way despite using different approaches?

A. Each experiment showed the same
mathematical relationship.
B. All of the experiments were physics
experiments.
C. The scientists worked together in the same lab.
D. The experiments were all performed using
the same variables.

it’s A. :)