Heinrich established a scientific approach for accident causation by starting with the accident and working backwards
a. true
b. false

The answer for this question is b. False. The first scientific approach established by Heinrich is focus on Prevention and is a linear approach that looks like a Domino effect. His model starts with the possible mistakes and according to this model by eliminating one of the factor (mistakes or possible causes of accident) an accident can be prevented. Today this model is called Domino theory. Heinrich established this model and called it Scientific Approach for Accident Prevention.

The correct answer is "a.grassroots movements".

Ithink that’s the oneplus7pro