Modern science facts have shown that humans did not finally settle into the America's until 20,000 years ago. It is said that those who were the first to settle into the America's were from Asia.
Secretary of Defense and Secretary of State
Belief that America will grow bigger and bigger
Answer:
Operant Conditioning
Explanation:
Operant Conditioning -
It is one of the learning method , which occurs by some punishments and rewards for a particular task or behavior , is referred to as operant conditioning.
As, from the scenario of the question,
Millie opted to get groceries from online platform , rather than offline , as it wait a lot of her time , while purchasing groceries from the supermarket.
Therefore ,
Millie demonstrates , operant conditioning.