Who tried to unify the electromagnetic and gravitational force but was unsuccessful?

Einstein

Explanation:

Many physicists and mathematicians, notably Albert Einstein, tried to unify the electromagnetic and gravitational force, that is, made a unified field theory.

Other scientists who attempted to develop unified field theory included Hermann Weyl, Arthur Eddington, and Theodor Kaluza. Unfortunately, all attempts were unsuccessful

all of the answers are correct.

falsification is manipulating research materials, equipment, or processes or changing or omitting data or results such that the research is not accurately represented in the research record. plagiarism is the appropriation of another person's ideas, processes, results, or words without giving appropriate credit.

explanation:

the inner core.

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