The safest way to carry a microscope is to use your both hands : g<span>rasp the arm with one hand while placing your other hand under the base.
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Photon</span>
Answer:Ruby Bridges, one of four African American girls to integrate the New Orleans public school system in 1960, came to symbolize the innocence and bravery of the children involved in the effort. Ruby Bridges rose to national prominence during the New Orleans School Crisis of 1960.
Explanation:
The standard international unit or radioactivity is called a becquerel (abbreviated Bq), which is equal to one disintegration per second (DPS). Radioactivity is also measured in<span> </span>curies<span>, a historical unit based on the number of disintegration per second in one gram of radium-226 (37 billion).
My source: google
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