C) All variables are measured to provide data for the experimental results.
A is untrue because the independent variable will be changed to see how it changes the results.
B is untrue because the controlled variable will not be affecting the experiment because it is unchanging throughout the experiment.
D is untrue because the controlled variable will NOT be changing throughout the experiments.
Photo not attached however I would choose whichever one looks like there is a severe storm near Florida.
<span>are smaller than the pore size of the filter, so they pass through it</span>
.........by spacing, partitioning, or locating in an area not ABOVE food.
Locating a poisonous or toxic substance in an area that is above food is very dangerous. This is because, the substance may experience an accident which will make it to contaminate the food which are below it. For instance, the toxic substance may spill and contaminate the food that are stored below it. <span />