5 个月
Live Science on MSNPeriodic table of elements quiz: How many elements can you name in 10 minutes?When it comes to science, chemistry is elemental. That pun is based on the fact that the main building blocks in the branch ...
Humans are made of many chemical elements that work together to create our complex bodies. The elements are like pieces of a puzzle, each playing a unique and essential role in maintaining our health.
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