Tritium (hydrogen-3) undergoes radioactive decay to produce helium-3. Which particle needs to be added to this equation to show that the total numbers of
neutrons and protons are not changed by the reaction? MARKING BRAINLIEST! points

An observer that stands still as the electron moves by him, will observe

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

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?