Answer:
cells consist of cytoplasm enclosed
with a membrane
Your experiment has an accurate outcome. The only variable that should be changing is what you have already determined to be the independent variable. All other variables must be controlled (sometimes called constant) in order to preserve the accuracy of the experiment and ensure that the only thing impacted the change in the dependent variable is directly caused by the independent variable.
A cast<span> is a 3-D example of an object of the past created when a </span>mold<span> fills up with sediment like mud, sand or volcanic ash. </span>Fossils<span> can form when hard parts of a </span>fossil<span> are replaced by other minerals</span><span>.</span>
