Nearly half of all the nuclear reactors in the world were built between and .

Depending on the study, it is sometimes necessary for psychologists to be deceptive is a true statement.

Explanation: In physiology, deception is a highly debatable ethical issue some physiologist argue that deceiving someone is dishonest and its more known as physiological manipulation, which aims to change the perception or behaviors of others through deception. For example, psychologists can try to persuade patients to change unhealthy habits. It is generally perceived to be harmless when it respects the right of the influenced to accept or reject.