-If you answer correctly ill give you brainliest which will give you 25 points-

Apossible explanation for a set of facts that can be tested by further investigation is called

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio