I could be wrong but I’m pretty sure 1
Answer:
ive done science already and i think its 2 if im wrong im sorry
An autonomous car is a vehicle capable of sensing its environment and operating without human involvement. A human passenger is not required to take control of the vehicle at any time, nor is a human passenger required to be present in the vehicle at all. An autonomous car can go anywhere a traditional car goes and do everything that an experienced human driver does.
Products and reactants in a balanced chemical reaction have the same number of ATOMS of each element.