I believe the answer is: Sheet metal
Self tapping screws are made by creating a gap in the connector within the thread of a crew, which creates a flute and cutting edge just like what we see on tap. This makes self tapping screws able to tap their own hole in a sheet metal while normal screws can't.
Due to the different wavelengths of the different colors, light breaks into different patterns. :) Hope this helps you!
<span>Our families have been with us through our growing
years and they saw every bit of our strengths, weaknesses, capabilities and
tendencies as a person. It is natural that when we solicit for decision on very
important matters such as business, we seek for their opinion as they see the
‘blind spot’ in the situation.</span>
Antoine Lavoisier is the scientist that said that matter is neither created nor destroyed.
<h3>Who was Antoine Lavoisier?</h3>
This is the name of the scientist who was a French Nobleman as well as a chemist. He was one of the persons that was central to the Chemical revolution that took place in the European continent. His discovery and science has a lot of influence on modern science and biology today.
Hence we can say that Antoine Lavoisier is the scientist that said that matter is neither created nor destroyed.
Read more on Antoine Lavoisier here: brainly.com/question/4345117
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Answer: Positive reinforcement
Explanation:
Positive reinforcement is defined as the act of providing reward or something else if the desired behavior or action is performed by any person .This strengthens and increase the chance of occurrence of such action in future.Reward acts as reinforcing stimulus in the scenario.
According to the question, positive reinforcement is used by teacher for modifying child's behavior.He is rewarding the child through praising him for his good and quiet behavior in class.Thus, this strengthens the same behavior to occur more in boy in further classes.