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Alex787 [66]
3 years ago
9

The columns on the periodic table are called ______ or _________. The elements in the same group have ________ properties. One o

f these particles is
_________.

(No options)
Biology
1 answer:
yulyashka [42]3 years ago
3 0
The columns on the periodic table are called groups or families. The elements in the same group have similar properties. One of these particles is electrons. 
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A negative feedback loop is a reaction that reduce an excessive response and maintain the functions within the normal range. for example: if temperature and blood glucose level increases in the body, negative feedback loops control both the variables and maintain homeostasis.  

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