Answer: Industrial Revolution
Explanation:
In the 1800's, Industrial Revolution became the transition to a new manufacturing process. This occurred between 1760 and 1840. Previously, activities were done majorly by hand production until this revolution came. It changed the industry and made it easier to carry out production.
D, all of the above. The scientific method goes through the process of making a hypothesis, testing it, and reviewing the results. It goes through a full lab report.
The scary noise in the scenario in which a little boy is allowed to play with a laboratory rat and shows no fear of it. then,and a scientist makes a scary noise by banging an iron bar whenever the little boy reaches for the rat and because of this the boy begins crying whenever the rat comes near him is <span> unconditioned stimulus.
</span><span> Unconditioned stimulus is a stimulus that naturally, and automatically triggers a response. In this case such stimulus is the noise.</span>