The Discovery<span> of Radioactivity. In 1896 </span>Henri Becquerel<span> was using naturally fluorescent minerals to study the properties of x-rays, which had been</span>discovered<span> in 1895 by Wilhelm Roentgen</span>
Answer:Yo me imaginaria En varias partes de esta historia se describe cómo es el lugar donde vivía Eireté,Releé y señalá todos los fragmentos
Answer:
from 60 to 100 beats per minute
Gene is the correct answer
