Answer:
there were two technological innovations that profoundly changed daily life in the 19th century: steam power and electricity. The railroad helped expand the U.S.. The telegraph, the telephone, and the typewriter brought people together that were far away. ... America began producing more steel than England.
The correct answer is hypothalamus
Explanation: The hypothalamus acts on the regulation of temperature, appetite, thirst, sleep cycle and autonomic nervous system.
A yield sign refers to the sign that allows a driver to give way to another driver on the road or the people walking on pedestrians or cyclists.
<h3>Who is the driver?</h3>
The driver is an individual who drives the vehicles like cars, trucks, etc. while traveling on the roads.
While traveling on roadways or highways, when the driver needs to stop if required and requires the other driving persons, walking people, or the cyclists to go to their respective destinations, then the signboard that comes in the way is called a yield sign.
Therefore, the meaning explained in part B would be considered a yield sign.
Learn more about the yield sign in the related link:
brainly.com/question/14288531
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