<span>d. 4.5 billion years
is the correct choice</span>
Answer:
federalism is a comprise meant to eliminate the disadvantages of both systems.
Explanation:
In a federal system, power is shared by the national and state governments.
Answer:
Information that was covered up by the government stuff that the Politian's did in the past
Explanation:
They had private investigators and connections
Answer: Reinforcement
Explanation:
People learn through different ways. One way of learning is through the process called reinforcement. Reinforcements play a vital role in how fast a behavior is learned. Reinforcement means anything that triggers the likelihood of a response. Skinner proposed the theory of reinforcement.
Reinforcement can be by praising someone or nagging someone in the case of Bobby's mother. If the nagging eventually brings out a response from Bobby making him do the dishes without being told, a reinforcement has been applied.
