States create their own laws, states have their own constitution, land and county governments. The state law stands unless a federal law overwrites it. States have their own transportation departments (make the roads, plan the roads, repair the roads).
Physical and cultural...............
After the rise of Islam in the Hejaz, Arab culture and language were spread outside the Arabian Peninsula through conquest, trade and intermarriages between members of the non-Arab local population and the peninsular Arabs. The Arabic language began to serve as a lingua franca in these areas and dialects were formed.
Answer:
They cause climate change by trapping heat, and they also contribute to respiratory disease from smog and air pollution.
Explanation:
Extreme weather, food supply disruptions, and increased wildfires are other effects of climate change caused by greenhouse gases.