20 points HELP‼️ Which is more important in developing who you are-environment or genetics? Explain why you believe this.

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Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

What is the rate of change in a objects position?