I need help in the next 20 minutes, anyone?

Quickly! ill give you brainliest + free points the best approach to keeping your car in safe working order is to a. have a friend inspect it b. get a professional tune-up c. listen to the engine while it's running d. clean the interior and exterior once a month

Explain the popular saying "we are made of stardust. how are we made of stardust? use scientific vocab.

Compare and contrast the environmental consequences of reliance on coal with reliance on petroleum.