Hey There!
Here is your answer:
Your answer is that a experiments should be controlled because the experiment could go out of control which could harm or hurt someone.
Also the definition of a controlled experiment is a part of the experiment that's not touched.
Ex: Water is your controlled experiment that's because our not doing anything to the water.
If you need anymore help just ask me!
Hope this helps!
Answer:
<em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>
At the conclusion of investigation number 1, the relationship between the light intensity and disks floating is; as the light intensity increases, the percentage of floating discs increases. More light will equal to more discs floating.
OK SOMEONE ALREADY ANSWERED SO I NEED DA POINTS TYSM AND ALSO ANANDI34 IT’S I HOPE IT HELPS IT’S OK THO BUT AT LEAST YOU KNOW
<span>Tides and currents carry nutrients, moderate temperatures, and influence conditions in numerous ecosystems. The relationship between society and tides and currents is obvious as coastal cities built to withstand prescribed levels of tidal surge are now being impacted by record breaking tidal surges, and the building of solid coastal structures do not allow waves to dissipate energy on land but deflect their energy to other coastal areas along the shore.
hope this helps</span>
