The relationship between independent and dependent variables is constant. The independent variables are not affected and do not change while dependent variables rely on something or a particular change.
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Answer:
physic
Explanation:
physical chnages are chnages to the appearance
chemical chnages are chnages like
color temperature chnaging fromna gas to a liquid etc
Metals, for example Cesium and Francium
Answer:
in the air and soil
in drinking water
on and inside the human body
Explanation: Hope that helps
The answer is A. use casual, friendly conversation.
