Marcus lists the things he'll need to do to solve his problem and assigns each task a deadline. which stage of the problem-solving process includes this action?

a- define the problem
b-evaluate solutions
c-develop an action plan
d-implement the action plan

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

Which organisims can cause diseases a. micro organisims b. multicellular organisnims c. both d. neither

Pkease ! what are a few reasons why the south seceded from the union