What was at issue in the Michigan v. EPA case? a provision directing the EPA to regulate power plant emissions if appropriate and necessary a determination as to whether climate change is "real" whether the CWA should cover all navigable waters in the United States the legality of implementing the Paris Accord

a. a provision directing the EPA to regulate power plant emissions if appropriate and necessary

b. a determination as to whether climate change is "real"

c.whether the CWA should cover all navigable waters in the United States

d.the legality of implementing the Paris Accord