The answer of the first question is double fertilization !!! I don't get the second question so.... comment if you have that question !!!
Making rough estimate of physical quantities is useful because it allow us to have an idea of how big or small a quantity is, it gives us the near result of the real quantity a matter contains. The approximate quantity obtained will give us information about the size of the quantity.
Answer:
False
Explanation:
Bar graphs depict the relationship between an independent variable and a dependent variable.
