I think it is c but I am not sure
Answer:
I believe it's C
Explanation:
The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium.
Answer:
Federalism
Explanation:
Federalism is a form of government that divides sovereign power across two or three levels of government, namely; local, state, and national government. This is done in order to decentralize authority and as such each level of government has independent authority.
Sovereign government is a government that operates independently without external influence.
For example, the United states practice true federalism and as such, power is divided across state and national government.
Driving it is A because you dont talk or anything while driving