Answer:
I think the answer is c, "Most living things are different from each other, so they may respond differently"
Explanation: This answer makes the most since. The others don't have a scientific explanation, so i'd go with C.
A.
The human brain is estimated to have billions of these connections, according to some researches, about 100 billion.
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Answer:
D. A group of objects and materials that are interrelated
I’m not sure but
The pressure makes a difference
Answer:
To review, neurons are specialized cells of the nervous system that transmit signals throughout the body. Neurons have long extensions that extend out from the cell body called dendrites and axons.
Due to this long and extended structure the neurons effectively carry out the functions of the nervous systems...
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