Answer:
The independent variable (IV) is the characteristic of a psychology experiment that is manipulated or changed by researchers, not by other variables in the experiment.
For example, in an experiment about the effect of nutrients on crop growth: The independent variable is the amount of nutrients added to the crop field. The dependent variable is the biomass of the crops at harvest time.
Therefore : 3. the variable that responds to what the scientist changes in an experiment
Density is mass divided by volume. Therefore, volume is mass divided by density.

Answer:
no it should not that place is historical and so they should make where u can visit but protect it as a historical landmark
Answer:
the symbol of an iron is Fe (ferous, feric).
C5H10O5 would weight a total of 2.312 kilograms.