The electromagnetic force is attractive for unlike charges and repulsive for like charges
Answer by YourHope:
Hi! :)
Which definition of "coarse" matches its use in the phrase "coarse focus?"
A) "rough in texture"
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Answer:
properties
Explanation:
The properties of matter are the various ways in which matter behaves under certain circumstances.
Various substances have different volumes and shapes. These differences account for the various properties of matter.
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>.
