Answer:
First described in 1880 by Pierre and Jacques Curie, piezoelectricity results from pressing or squeezing certain crystals, such as quartz, together, creating an electric charge. Piezoelectric materials can either conduct the charge or store it as a battery.
Explanation:
Qualitative research is the correct answer.
Qualitative search is a scientific method used to better understand a social phenomena. This process provides information about people's behaviors, seeking to explain why and how individuals behave a certain way. Differently from quantitative research, which deals with numbers and statistics, the qualitative method is based on words and meanings.
The pulling away behavior is controlled by the spinal cord.
It is because the spinal cord is the one responsible for connecting the brain
from the peripheral nervous system and that it is also responsible for
information in which makes a person act as the information is delivered to the
brain.