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The exact opposite end of the earth or 180degrees
Answer:
The modern periodic table is used to organize all the known elements. Elements are arranged in the table by increasing atomic number. In the modern periodic table, each element is represented by its chemical symbol. ... Columns of the periodic table are called groups. Elements in the same group have similar properties
The factor that does not change is called an Independent Variable
The factor(s) in an experiment that <em>do</em> change are called Dependent Variables.
A hygrometer is an instrument for measuring the humidity of the air or a gas .