This classical conditioning process is known as spontaneous recovery, this process consisted in the reappearance of a conditional response that had disappeared.
The classic conditioning process indicates that we learn behaviors conditioned by situations we live in, in the case of Mariah is the fear of water, these behaviors can be maintained or extinguished, Mariah learned swimming to end her fear of water, but sometimes the learned behavior can appear after being extinguished and this is what is called spontaneous recovery.
A is the correct answer.
Dead Zones, especially in the Gulf of Mexico, are caused primarily by phosphorous and nitrogen loading from farms in the Midwest that run down rivers and down the Mississippi and into the Gulf of Mexico where they choke out life.
The separation of powers promotes limited government with a checks and balances system in place to ensure that no one branch is stronger than another, with separate and unique checks in place to keep the balance of power. This aligns with a limited government wherein following a written Constitution a government is limited by law.
The separation of powers in the government include the three branches: judicial (courts), legislative (Congress), and executive (President).