Go see a doctor immediately
In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
Answer:
If you are talking about websites, then yes. Website ending with .gov for government or .org are always reliable.
Explanation:
But if you aren't talking about websites, this question is questionable due to your experience of government issued information. But for the most part, government information are always reliable.
Answer:
B
Explanation:
The changed protein connects differently, but its function doesn't change.
