3. B
4. A
5.A
6. A (i think)
Hope this helps
Two independent variables could change at the same time, and you would not know which variable affected the dependent variable
There will be oil bubbles because oil is more dense than water so therefore they would not mix
Answer:
Less than one gram
Explanation:
Since there is no whole number before the decimal it means that the number is less than whole meaning it is less than one gram
