<span>Edward Jenner discovered a vaccination against [smallpox] by infecting a boy with [cowpox]. He noticed that milkmaids who got cowpox never got smallpox and developed his theory from there. He is the father of the study of immunity and immunisation.</span>
Answer: Teens during pregnancy appear to be at increased risk of high blood pressure, anemia, premature birth, having low birth weight babies and experiencing postpartum depression.
Explanation:
The best technology would be Digital x-ray.
Diagnosis and treatment of bone fracture, doctors can diagnose fractures with x-rays. They may also use CT (computed topography) scans and MRI (magnetic resonance imaging). Broken bones heal by themselves and the aim of medical treatment is to make sure the piece of bone are lined up correctly.
The year 1886 is regarded as the birth year of the modern car when German inventor Karl Benz patented his Benz Patent-Motorwagen
