What is the "supreme law of the land" and more powerful than state laws?

A.passes laws and adopts budgets b.resolves disputes among members c.ensures legislation is applied fairly d.represents the eu globally a recent challenge to the european union created by a member state is a.migration b.free trade c.brexit d.the euro which is the most powerful position in the british government? a.the monarch b.the chancellor c.the prime minister d.the president which describes a constitutional monarchy? a.a monarchy in which a king or queen has all the power b.a monarchy in which the people elect the king or queen c.a representative government with a mostly ceremonial ruler d.a representative government with only one set of written laws

How is the uk’s government is solving the air pollution problem?

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used