Corrosion on the wires, bad starter or starter solenoid, worn flywheel or flexplate, many things. Even just corroded battery terminals could cause no start.
Low/bad battery, bad battery connection. If the battery isn't getting fully charged you might not be able to start. If it isn't getting charged, check the alternator.
If you need to jump start the car then the battery may be fully charged but it is defective and needs replacing. A full charged battery will read 12.6 volts at the posts with the engine not running. 12 volts indicates the battery is only 25% charged.
is your battery in good condition and fully charged? is your starter good?
As long as the battery is fully charged it will start no matter the condition of the alternator. Eventually the battery will run down if the alternator is not keeping it charged.
probably the starter
You can tell your car battery is fully charged by checking the voltage with a multimeter; a fully charged battery should read around 12.6 volts or higher. If your car has a built-in battery management system, it may provide indicators or alerts when the battery is fully charged. Additionally, if the battery has a built-in hydrometer, a green indicator often signifies a full charge. Lastly, after charging, the battery should start the engine without any issues.
It will start if there is enough charge in the battery to turn the engine over. However if the alternator is weak then the battery will not be charged fully.
Yes they could be cleaned and battery charged
Fresh fully charged battery and fresh gasoline
Does it turn over? Does it have spark? Does it have fuel?
YOU HAVE TO TURN IT ON Actually, I learned this past week that if it is a gel type battery, you can get a false positive on the battery, so it looks like it is fully charged but actually is not. You can take the battery to your dealer to see if he can charge it or you need a new one.
In most cases a new battery will be charged enough to start the vehicle