<span>http://www.geosociety.org/science/timescale/timescl.htm
The geologic time scale is organized based by major geological events.
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Answer: yes
Explanation: well <u>Chicken pox</u>  is a <u>virus</u> that causes an itchy rash but 1995 
 A vaccine for chicken pox was developed in 1995 Vaccines are more effective on ethnicities that are highly susceptible to a disease.
 
        
             
        
        
        
Answer:
The correct answer is - option A. exaggerating them.
Explanation:
The extrapyramidal tracts forms or forms in the brainstem that brings the motor fibers that carry motor signals to the spinal cord. The extrapyramidal that are responsible for the regulation of the autonomic and involuntary control.
lesions in these system cause the exaggerating in the spinal reflexes that regulates the control of muscle tone, posture, and other actions, involuntary.
Thus, the correct answer is - option A.