Answer: C
Explanation:
Increases in partner support does not necessarily lead to increases in mothers' physical activity levels.
I believe the answer is: <span>Extinction
In psychology, </span><span>Extinction refers to the situation when a behavior is discouraged by not giving it any reinforcement.
By ignoring the employee, Greg prevent the employee from having the expected reward (in this case, the reward is Greg's attention) and this would make the employee stop annoying greg and seek the reward toward another person.</span>
The proper format is

No one really "said" it; it is the equation that represents Einstein's Theory of Relativity.
Answer:
Mexico.
Explanation:
If I'm not correct, I'm sorry. But it should be Mexico.
The first alternative is correct (A).
The Second World War led Korea to be divided between two countries, North Korea, influenced by the USSR, and South Korea, with American influence. In 1950 the two sides entered a violent war that lasted 3 years and isolated any relationship between the two countries.
North Korea has become the most closed country in the world, with a communist economic model, where the population has no access to any kind of Western culture.
The country is dominated by a dictatorial clan, which is in the third generation, with Kin Jong-Un as the agent.