Answer:
Different materials have different densities. So it is False
<span>Many scientific investigations have provided evidence to support this as the best explanation of the data</span>
Answer:
Fluorine is the most corrosive element in the periodic table.
Explanation:
Antoine Henri Becquerel discovered radioactivity when he was studying
X- rays.
He had been studying phosphorescent uranium ores and hypothesized that they might absorb sunlight and reemit it as X-rays.
His hypothesis was wrong, but his experiments led to the discovery of <em>natural radioactivity</em>.
